diff --git a/.eslintignore b/.eslintignore
index 3fa53299..60ba9802 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,3 +1,3 @@
 node_modules
 coverage/
-build/
\ No newline at end of file
+dist/
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 437d8d08..54fc19dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,7 @@
 .DS_Store
-build
+lib
 node_modules
 *.log
+.idea/
+/.nyc_output/
+/coverage/
diff --git a/.npmignore b/.npmignore
index 47ac010e..50dcf250 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,3 +1,4 @@
 .babelrc
 lib
-CODE_OF_CONDUCT.md
+/.nyc_output/
+/coverage/
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..62ed679f
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+sudo: false
+language: node_js
+node_js:
+  - 'node'
+  - '6'
+  - '5'
+  - '4'
diff --git a/README.md b/README.md
index 46ff4ed5..a9df0fce 100644
--- a/README.md
+++ b/README.md
@@ -15,34 +15,34 @@ A data export library built with and for [React](http://facebook.github.io/react
 import React from "react"
 import * from "react-data-export"
 
-class App extends React.Component {
-    const dataSet1 = [
-        {
-            name: "Johson",
-            amount: 30000,
-            sex: 'M',
-            is_married: true
-        },
-        {
-            name: "Monika",
-            amount: 355000,
-            sex: 'F',
-            is_married: false
-        },
-        {
-            name: "John",
-            amount: 250000,
-            sex: 'M',
-            is_married: false
-        },
-        {
-            name: "Josef",
-            amount: 450500,
-            sex: 'M',
-            is_married: true
-        }
-    ];
+const dataSet1 = [
+    {
+        name: "Johson",
+        amount: 30000,
+        sex: 'M',
+        is_married: true
+    },
+    {
+        name: "Monika",
+        amount: 355000,
+        sex: 'F',
+        is_married: false
+    },
+    {
+        name: "John",
+        amount: 250000,
+        sex: 'M',
+        is_married: false
+    },
+    {
+        name: "Josef",
+        amount: 450500,
+        sex: 'M',
+        is_married: true
+    }
+];
 
+class App extends React.Component {
     render() {
         return (
             <ExcelFile>
diff --git a/package-lock.json b/package-lock.json
index 94576b57..07fd0522 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "react-data-export",
-  "version": "0.1.0-rc",
+  "version": "0.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1265,6 +1265,12 @@
         "repeat-element": "1.1.2"
       }
     },
+    "browser-stdout": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
     "builtin-modules": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
@@ -1431,6 +1437,16 @@
         "printj": "1.1.0"
       }
     },
+    "cross-env": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.1.0.tgz",
+      "integrity": "sha512-R+0paw9UZQc7odHjIxElqyYotgyMlhcUMTfRxiv4I22grgvS5WOSSfCpyfAZUDhP/c9ShSRv+Hzfxs6fY4JA7g==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "5.1.0",
+        "is-windows": "1.0.1"
+      }
+    },
     "cross-spawn": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
@@ -1497,6 +1513,12 @@
         "repeating": "2.0.1"
       }
     },
+    "diff": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
+      "integrity": "sha512-MKPHZDMB0o6yHyDryUOScqZibp914ksXwAMYMTHj6KO8UeKsRYNJD3oNCKjTqZon+V488P7N/HzXF8t7ZR95ww==",
+      "dev": true
+    },
     "doctrine": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.0.0.tgz",
@@ -2151,6 +2173,12 @@
       "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
       "dev": true
     },
+    "growl": {
+      "version": "1.10.3",
+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.3.tgz",
+      "integrity": "sha512-hKlsbA5Vu3xsh1Cg3J7jSmX/WaW6A5oBeqzM88oNbCRQFz+zUaXm6yxS4RVytp1scBoJzSYl4YAEOQIt6O8V1Q==",
+      "dev": true
+    },
     "has": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.1.tgz",
@@ -2175,6 +2203,12 @@
       "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
       "dev": true
     },
+    "he": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
+      "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0=",
+      "dev": true
+    },
     "home-or-tmp": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-2.0.0.tgz",
@@ -2476,6 +2510,12 @@
       "integrity": "sha1-PMWfAAJRlLarLjjbrmaJJWtmBXI=",
       "dev": true
     },
+    "is-windows": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.1.tgz",
+      "integrity": "sha1-MQ23D3QtJZoWo2kgK1GvhCMzENk=",
+      "dev": true
+    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
@@ -2705,6 +2745,44 @@
         "minimist": "0.0.8"
       }
     },
+    "mocha": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-4.0.1.tgz",
+      "integrity": "sha512-evDmhkoA+cBNiQQQdSKZa2b9+W2mpLoj50367lhy+Klnx9OV8XlCIhigUnn1gaTFLQCa0kdNhEGDr0hCXOQFDw==",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "1.3.0",
+        "commander": "2.11.0",
+        "debug": "3.1.0",
+        "diff": "3.3.1",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.2",
+        "growl": "1.10.3",
+        "he": "1.1.1",
+        "mkdirp": "0.5.1",
+        "supports-color": "4.4.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "4.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.4.0.tgz",
+          "integrity": "sha512-rKC3+DyXWgK0ZLKwmRsrkyHVZAjNkfzeehuFWdGGcqGDTZFH73+RH6S/RDAAxl9GusSjZSUWYLmT9N5pzXFOXQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
+        }
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -2760,6 +2838,1647 @@
       "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
       "dev": true
     },
+    "nyc": {
+      "version": "11.2.1",
+      "resolved": "https://registry.npmjs.org/nyc/-/nyc-11.2.1.tgz",
+      "integrity": "sha1-rYUK/p261/SXByi0suR/7Rw4chw=",
+      "dev": true,
+      "requires": {
+        "archy": "1.0.0",
+        "arrify": "1.0.1",
+        "caching-transform": "1.0.1",
+        "convert-source-map": "1.5.0",
+        "debug-log": "1.0.1",
+        "default-require-extensions": "1.0.0",
+        "find-cache-dir": "0.1.1",
+        "find-up": "2.1.0",
+        "foreground-child": "1.5.6",
+        "glob": "7.1.2",
+        "istanbul-lib-coverage": "1.1.1",
+        "istanbul-lib-hook": "1.0.7",
+        "istanbul-lib-instrument": "1.8.0",
+        "istanbul-lib-report": "1.1.1",
+        "istanbul-lib-source-maps": "1.2.1",
+        "istanbul-reports": "1.1.2",
+        "md5-hex": "1.3.0",
+        "merge-source-map": "1.0.4",
+        "micromatch": "2.3.11",
+        "mkdirp": "0.5.1",
+        "resolve-from": "2.0.0",
+        "rimraf": "2.6.1",
+        "signal-exit": "3.0.2",
+        "spawn-wrap": "1.3.8",
+        "test-exclude": "4.1.1",
+        "yargs": "8.0.2",
+        "yargs-parser": "5.0.0"
+      },
+      "dependencies": {
+        "align-text": {
+          "version": "0.1.4",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "kind-of": "3.2.2",
+            "longest": "1.0.1",
+            "repeat-string": "1.6.1"
+          }
+        },
+        "amdefine": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "ansi-regex": {
+          "version": "2.1.1",
+          "bundled": true,
+          "dev": true
+        },
+        "ansi-styles": {
+          "version": "2.2.1",
+          "bundled": true,
+          "dev": true
+        },
+        "append-transform": {
+          "version": "0.4.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "default-require-extensions": "1.0.0"
+          }
+        },
+        "archy": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "arr-diff": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "arr-flatten": "1.1.0"
+          }
+        },
+        "arr-flatten": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "array-unique": {
+          "version": "0.2.1",
+          "bundled": true,
+          "dev": true
+        },
+        "arrify": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "async": {
+          "version": "1.5.2",
+          "bundled": true,
+          "dev": true
+        },
+        "babel-code-frame": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "chalk": "1.1.3",
+            "esutils": "2.0.2",
+            "js-tokens": "3.0.2"
+          }
+        },
+        "babel-generator": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "babel-messages": "6.23.0",
+            "babel-runtime": "6.26.0",
+            "babel-types": "6.26.0",
+            "detect-indent": "4.0.0",
+            "jsesc": "1.3.0",
+            "lodash": "4.17.4",
+            "source-map": "0.5.7",
+            "trim-right": "1.0.1"
+          }
+        },
+        "babel-messages": {
+          "version": "6.23.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0"
+          }
+        },
+        "babel-runtime": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "core-js": "2.5.1",
+            "regenerator-runtime": "0.11.0"
+          }
+        },
+        "babel-template": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "lodash": "4.17.4"
+          }
+        },
+        "babel-traverse": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "babel-code-frame": "6.26.0",
+            "babel-messages": "6.23.0",
+            "babel-runtime": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "debug": "2.6.8",
+            "globals": "9.18.0",
+            "invariant": "2.2.2",
+            "lodash": "4.17.4"
+          }
+        },
+        "babel-types": {
+          "version": "6.26.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.4",
+            "to-fast-properties": "1.0.3"
+          }
+        },
+        "babylon": {
+          "version": "6.18.0",
+          "bundled": true,
+          "dev": true
+        },
+        "balanced-match": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "brace-expansion": {
+          "version": "1.1.8",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "balanced-match": "1.0.0",
+            "concat-map": "0.0.1"
+          }
+        },
+        "braces": {
+          "version": "1.8.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "expand-range": "1.8.2",
+            "preserve": "0.2.0",
+            "repeat-element": "1.1.2"
+          }
+        },
+        "builtin-modules": {
+          "version": "1.1.1",
+          "bundled": true,
+          "dev": true
+        },
+        "caching-transform": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "md5-hex": "1.3.0",
+            "mkdirp": "0.5.1",
+            "write-file-atomic": "1.3.4"
+          }
+        },
+        "camelcase": {
+          "version": "1.2.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "center-align": {
+          "version": "0.1.3",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "align-text": "0.1.4",
+            "lazy-cache": "1.0.4"
+          }
+        },
+        "chalk": {
+          "version": "1.1.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
+          }
+        },
+        "cliui": {
+          "version": "2.1.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "center-align": "0.1.3",
+            "right-align": "0.1.3",
+            "wordwrap": "0.0.2"
+          },
+          "dependencies": {
+            "wordwrap": {
+              "version": "0.0.2",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "code-point-at": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "commondir": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "concat-map": {
+          "version": "0.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "convert-source-map": {
+          "version": "1.5.0",
+          "bundled": true,
+          "dev": true
+        },
+        "core-js": {
+          "version": "2.5.1",
+          "bundled": true,
+          "dev": true
+        },
+        "cross-spawn": {
+          "version": "4.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "lru-cache": "4.1.1",
+            "which": "1.3.0"
+          }
+        },
+        "debug": {
+          "version": "2.6.8",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "debug-log": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "decamelize": {
+          "version": "1.2.0",
+          "bundled": true,
+          "dev": true
+        },
+        "default-require-extensions": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "strip-bom": "2.0.0"
+          }
+        },
+        "detect-indent": {
+          "version": "4.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "repeating": "2.0.1"
+          }
+        },
+        "error-ex": {
+          "version": "1.3.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-arrayish": "0.2.1"
+          }
+        },
+        "escape-string-regexp": {
+          "version": "1.0.5",
+          "bundled": true,
+          "dev": true
+        },
+        "esutils": {
+          "version": "2.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "execa": {
+          "version": "0.7.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "cross-spawn": "5.1.0",
+            "get-stream": "3.0.0",
+            "is-stream": "1.1.0",
+            "npm-run-path": "2.0.2",
+            "p-finally": "1.0.0",
+            "signal-exit": "3.0.2",
+            "strip-eof": "1.0.0"
+          },
+          "dependencies": {
+            "cross-spawn": {
+              "version": "5.1.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "lru-cache": "4.1.1",
+                "shebang-command": "1.2.0",
+                "which": "1.3.0"
+              }
+            }
+          }
+        },
+        "expand-brackets": {
+          "version": "0.1.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-posix-bracket": "0.1.1"
+          }
+        },
+        "expand-range": {
+          "version": "1.8.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "fill-range": "2.2.3"
+          }
+        },
+        "extglob": {
+          "version": "0.3.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-extglob": "1.0.0"
+          }
+        },
+        "filename-regex": {
+          "version": "2.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "fill-range": {
+          "version": "2.2.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-number": "2.1.0",
+            "isobject": "2.1.0",
+            "randomatic": "1.1.7",
+            "repeat-element": "1.1.2",
+            "repeat-string": "1.6.1"
+          }
+        },
+        "find-cache-dir": {
+          "version": "0.1.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "commondir": "1.0.1",
+            "mkdirp": "0.5.1",
+            "pkg-dir": "1.0.0"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "locate-path": "2.0.0"
+          }
+        },
+        "for-in": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
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+          }
+        },
+        "rimraf": {
+          "version": "2.6.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "glob": "7.1.2"
+          }
+        },
+        "semver": {
+          "version": "5.4.1",
+          "bundled": true,
+          "dev": true
+        },
+        "set-blocking": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "shebang-command": {
+          "version": "1.2.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "shebang-regex": "1.0.0"
+          }
+        },
+        "shebang-regex": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "signal-exit": {
+          "version": "3.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "slide": {
+          "version": "1.1.6",
+          "bundled": true,
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "bundled": true,
+          "dev": true
+        },
+        "spawn-wrap": {
+          "version": "1.3.8",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "foreground-child": "1.5.6",
+            "mkdirp": "0.5.1",
+            "os-homedir": "1.0.2",
+            "rimraf": "2.6.1",
+            "signal-exit": "3.0.2",
+            "which": "1.3.0"
+          }
+        },
+        "spdx-correct": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "spdx-license-ids": "1.2.2"
+          }
+        },
+        "spdx-expression-parse": {
+          "version": "1.0.4",
+          "bundled": true,
+          "dev": true
+        },
+        "spdx-license-ids": {
+          "version": "1.2.2",
+          "bundled": true,
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "2.0.0",
+            "strip-ansi": "4.0.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "bundled": true,
+              "dev": true
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "bundled": true,
+              "dev": true
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "ansi-regex": "3.0.0"
+              }
+            }
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "ansi-regex": "2.1.1"
+          }
+        },
+        "strip-bom": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-utf8": "0.2.1"
+          }
+        },
+        "strip-eof": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "supports-color": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "test-exclude": {
+          "version": "4.1.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "arrify": "1.0.1",
+            "micromatch": "2.3.11",
+            "object-assign": "4.1.1",
+            "read-pkg-up": "1.0.1",
+            "require-main-filename": "1.0.1"
+          }
+        },
+        "to-fast-properties": {
+          "version": "1.0.3",
+          "bundled": true,
+          "dev": true
+        },
+        "trim-right": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "uglify-js": {
+          "version": "2.8.29",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "source-map": "0.5.7",
+            "uglify-to-browserify": "1.0.2",
+            "yargs": "3.10.0"
+          },
+          "dependencies": {
+            "yargs": {
+              "version": "3.10.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true,
+              "requires": {
+                "camelcase": "1.2.1",
+                "cliui": "2.1.0",
+                "decamelize": "1.2.0",
+                "window-size": "0.1.0"
+              }
+            }
+          }
+        },
+        "uglify-to-browserify": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "validate-npm-package-license": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "spdx-correct": "1.0.2",
+            "spdx-expression-parse": "1.0.4"
+          }
+        },
+        "which": {
+          "version": "1.3.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "isexe": "2.0.0"
+          }
+        },
+        "which-module": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "window-size": {
+          "version": "0.1.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "wordwrap": {
+          "version": "0.0.3",
+          "bundled": true,
+          "dev": true
+        },
+        "wrap-ansi": {
+          "version": "2.1.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "string-width": "1.0.2",
+            "strip-ansi": "3.0.1"
+          },
+          "dependencies": {
+            "string-width": {
+              "version": "1.0.2",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "code-point-at": "1.1.0",
+                "is-fullwidth-code-point": "1.0.0",
+                "strip-ansi": "3.0.1"
+              }
+            }
+          }
+        },
+        "wrappy": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "write-file-atomic": {
+          "version": "1.3.4",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "graceful-fs": "4.1.11",
+            "imurmurhash": "0.1.4",
+            "slide": "1.1.6"
+          }
+        },
+        "y18n": {
+          "version": "3.2.1",
+          "bundled": true,
+          "dev": true
+        },
+        "yallist": {
+          "version": "2.1.2",
+          "bundled": true,
+          "dev": true
+        },
+        "yargs": {
+          "version": "8.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "camelcase": "4.1.0",
+            "cliui": "3.2.0",
+            "decamelize": "1.2.0",
+            "get-caller-file": "1.0.2",
+            "os-locale": "2.1.0",
+            "read-pkg-up": "2.0.0",
+            "require-directory": "2.1.1",
+            "require-main-filename": "1.0.1",
+            "set-blocking": "2.0.0",
+            "string-width": "2.1.1",
+            "which-module": "2.0.0",
+            "y18n": "3.2.1",
+            "yargs-parser": "7.0.0"
+          },
+          "dependencies": {
+            "camelcase": {
+              "version": "4.1.0",
+              "bundled": true,
+              "dev": true
+            },
+            "cliui": {
+              "version": "3.2.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "string-width": "1.0.2",
+                "strip-ansi": "3.0.1",
+                "wrap-ansi": "2.1.0"
+              },
+              "dependencies": {
+                "string-width": {
+                  "version": "1.0.2",
+                  "bundled": true,
+                  "dev": true,
+                  "requires": {
+                    "code-point-at": "1.1.0",
+                    "is-fullwidth-code-point": "1.0.0",
+                    "strip-ansi": "3.0.1"
+                  }
+                }
+              }
+            },
+            "load-json-file": {
+              "version": "2.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "graceful-fs": "4.1.11",
+                "parse-json": "2.2.0",
+                "pify": "2.3.0",
+                "strip-bom": "3.0.0"
+              }
+            },
+            "path-type": {
+              "version": "2.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "pify": "2.3.0"
+              }
+            },
+            "read-pkg": {
+              "version": "2.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "load-json-file": "2.0.0",
+                "normalize-package-data": "2.4.0",
+                "path-type": "2.0.0"
+              }
+            },
+            "read-pkg-up": {
+              "version": "2.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "find-up": "2.1.0",
+                "read-pkg": "2.0.0"
+              }
+            },
+            "strip-bom": {
+              "version": "3.0.0",
+              "bundled": true,
+              "dev": true
+            },
+            "yargs-parser": {
+              "version": "7.0.0",
+              "bundled": true,
+              "dev": true,
+              "requires": {
+                "camelcase": "4.1.0"
+              }
+            }
+          }
+        },
+        "yargs-parser": {
+          "version": "5.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "camelcase": "3.0.0"
+          },
+          "dependencies": {
+            "camelcase": {
+              "version": "3.0.0",
+              "bundled": true,
+              "dev": true
+            }
+          }
+        }
+      }
+    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
diff --git a/package.json b/package.json
index 9a418402..b54ffd75 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-data-export",
-  "version": "0.1.1",
-  "main": "lib/index.js",
+  "version": "0.2.0",
+  "main": "dist/index.js",
   "description": "A set of tools to export dataset from react to different formats.",
   "repository": {
     "type": "git",
@@ -20,30 +20,39 @@
   },
   "homepage": "https://github.com/securedeveloper/react-data-export#readme",
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.0",
-    "babel-eslint": "^8.0.1",
-    "babel-plugin-transform-class-properties": "^6.24.1",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-preset-react": "^6.24.1",
-    "eslint": "^4.8.0",
-    "eslint-plugin-import": "^2.7.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
-    "eslint-plugin-react": "^7.4.0",
-    "eslint-watch": "^3.1.3",
-    "prop-types": "^15.6.0",
-    "react": "^16.0.0",
-    "react-dom": "^16.0.0"
+    "babel-cli": "6.26.0",
+    "babel-core": "6.26.0",
+    "babel-eslint": "8.0.1",
+    "babel-plugin-transform-class-properties": "6.24.1",
+    "babel-preset-es2015": "6.24.1",
+    "babel-preset-react": "6.24.1",
+    "babel-register": "^6.26.0",
+    "cross-env": "5.1.0",
+    "eslint": "4.8.0",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-jsx-a11y": "6.0.2",
+    "eslint-plugin-react": "7.4.0",
+    "eslint-watch": "3.1.3",
+    "mocha": "4.0.1",
+    "nyc": "11.2.1",
+    "prop-types": "15.6.0",
+    "react": "16.0.0",
+    "react-dom": "16.0.0"
   },
   "scripts": {
-    "build": "babel lib -d build",
-    "build:watch": "babel lib -w -d build",
+    "test": "mocha ./test/unit --reporter=spec --full-trace",
+    "test:coverage": "nyc npm t",
+    "coverage:html": "nyc report --reporter=html",
+    "coverage:publish": "nyc report --reporter=lcov | codecov",
+    "clean": "rm -rf ./dist && mkdir ./dist",
+    "build": "babel -d ./dist ./lib",
+    "build:watch": "babel -w -d -d ./dist ./lib ",
     "lint": "eslint .",
     "lint:watch": "esw -w lib/**",
     "prepublish": "npm run build"
   },
   "dependencies": {
-    "file-saver": "^1.3.3",
-    "xlsx": "^0.11.5"
+    "file-saver": "1.3.3",
+    "xlsx": "0.11.5"
   }
 }
diff --git a/test/mocha.opts b/test/mocha.opts
new file mode 100644
index 00000000..148a8b53
--- /dev/null
+++ b/test/mocha.opts
@@ -0,0 +1,4 @@
+--reporter spec
+--timeout 20000
+--full-trace
+--colors
\ No newline at end of file
diff --git a/test/unit/excel.test.js b/test/unit/excel.test.js
new file mode 100644
index 00000000..e69de29b