Removed support for Node < 4

.travis.yml

@@ -9,7 +9,5 @@ node_js:
   - "5"
   - "4"
   - "4.2"
-  - "0.12"
-  - "0.11"
 after_script:
   - npm run coveralls

dist/lamb.js

@@ -1,7 +1,7 @@
 /**
  * @overview lamb - A lightweight, and docile, JavaScript library to help embracing functional programming.
  * @author Andrea Scartabelli <andrea.scartabelli@gmail.com>
- * @version 0.52.0-alpha.3
+ * @version 0.52.0-alpha.4
  * @module lamb
  * @license MIT
  * @preserve
@@ -17,7 +17,7 @@
      * @private
      * @type String
      */
-    lamb._version = "0.52.0-alpha.3";
+    lamb._version = "0.52.0-alpha.4";
 
     // alias used as a placeholder argument for partial application
     var _ = lamb;

gulpfile.js

@@ -4,7 +4,6 @@ var gulp = require("gulp");
 var pkg = require("./package.json");
 var concat = require("gulp-concat");
 var footer = require("gulp-footer");
-var gutil = require("gulp-util");
 var header = require("gulp-header");
 var indent = require("gulp-indent");
 var istanbul = require("gulp-istanbul");
@@ -31,20 +30,13 @@ var scripts = [
 ];
 
 function lint () {
-    // eslint supports node >= 4
-    if (parseInt(process.versions.node, 10) >= 4) {
-        // isolated because of shelljs, again
-        var eslint = require("gulp-eslint");
+    // isolated because of shelljs, again
+    var eslint = require("gulp-eslint");
 
-        return gulp.src("./dist/lamb.js")
-            .pipe(eslint())
-            .pipe(eslint.format())
-            .pipe(eslint.failAfterError());
-    } else {
-        return gutil.log(gutil.colors.yellow(
-            "[skipped linting for node " + process.version + "]"
-        ));
-    }
+    return gulp.src("./dist/lamb.js")
+        .pipe(eslint())
+        .pipe(eslint.format())
+        .pipe(eslint.failAfterError());
 }
 
 gulp.task("analysis", function (done) {

package.json

@@ -27,14 +27,14 @@
     "url": "https://github.com/ascartabelli/lamb.git"
   },
   "engines": {
-    "node": ">=0.11.0"
+    "node": ">=4.0.0"
   },
   "scripts": {
     "test": "gulp test",
     "coveralls": "gulp coverage && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "tonicExample": "var _ = require('lamb');",
-  "version": "0.52.0-alpha.3",
+  "version": "0.52.0-alpha.4",
   "devDependencies": {
     "coveralls": "^2.11.16",
     "gulp": "^3.9.1",
@@ -48,7 +48,6 @@
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^1.11.1",
     "gulp-uglify": "^2.0.1",
-    "gulp-util": "^3.0.8",
     "plato": "^1.7.0"
   },
   "dependencies": {}