diff --git a/Manifest.toml b/Manifest.toml
index 65d70e0..b6faee1 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -9,9 +9,9 @@ version = "0.8.10"
 
 [[BinaryProvider]]
 deps = ["Libdl", "Pkg", "SHA", "Test"]
-git-tree-sha1 = "9930c1a6cd49d9fcd7218df6be417e6ae4f1468a"
+git-tree-sha1 = "055eb2690182ebc31087859c3dd8598371d3ef9e"
 uuid = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
-version = "0.5.2"
+version = "0.5.3"
 
 [[CSV]]
 deps = ["CategoricalArrays", "DataFrames", "DataStreams", "Dates", "Mmap", "Parsers", "Profile", "Random", "Tables", "Test", "Unicode", "WeakRefStrings"]
@@ -20,10 +20,10 @@ uuid = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
 version = "0.4.2"
 
 [[CategoricalArrays]]
-deps = ["Compat", "Future", "JSON", "Missings", "Printf", "Reexport"]
-git-tree-sha1 = "6362c49130b5888f5628bc197ee5f17aec7d2a88"
+deps = ["Compat", "Future", "Missings", "Printf", "Reexport", "Requires"]
+git-tree-sha1 = "11419d157ab75a54a8af63315e7a279a593971bc"
 uuid = "324d7699-5711-5eae-9e2f-1d82baa6b597"
-version = "0.4.0"
+version = "0.5.1"
 
 [[CodecZlib]]
 deps = ["BinaryProvider", "Libdl", "Test", "TranscodingStreams"]
@@ -33,9 +33,9 @@ version = "0.5.1"
 
 [[Compat]]
 deps = ["Base64", "Dates", "DelimitedFiles", "Distributed", "InteractiveUtils", "LibGit2", "Libdl", "LinearAlgebra", "Markdown", "Mmap", "Pkg", "Printf", "REPL", "Random", "Serialization", "SharedArrays", "Sockets", "SparseArrays", "Statistics", "Test", "UUIDs", "Unicode"]
-git-tree-sha1 = "2d9e14d19bad3f9ad5cc5e4cffabc3cfa59de825"
+git-tree-sha1 = "ec61a16eed883ad0cfa002d7489b3ce6d039bb9a"
 uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
-version = "1.3.0"
+version = "1.4.0"
 
 [[ContextCF]]
 deps = ["DataFrames", "Persa", "Revise", "SparseArrays", "Test"]
@@ -102,12 +102,6 @@ git-tree-sha1 = "5484e5ede2a4137b9643f4d646e8e7b87b794415"
 uuid = "82899510-4779-5014-852e-03e436cf321d"
 version = "0.1.1"
 
-[[JSON]]
-deps = ["Dates", "Distributed", "Mmap", "Sockets", "Test", "Unicode"]
-git-tree-sha1 = "fec8e4d433072731466d37ed0061b3ba7f70eeb9"
-uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-version = "0.19.0"
-
 [[LibGit2]]
 uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
 
@@ -148,9 +142,9 @@ version = "1.0.2"
 
 [[Parsers]]
 deps = ["Dates", "Mmap", "Test", "WeakRefStrings"]
-git-tree-sha1 = "510eba237a97dfb73f8a0c16ed23f68e407885c1"
+git-tree-sha1 = "9c2b96d07344f9f716fee1c4a7258ac327d08a6c"
 uuid = "69de0a69-1ddd-5017-9359-2bf0b02dc9f0"
-version = "0.2.11"
+version = "0.2.15"
 
 [[Persa]]
 deps = ["DataFrames", "SparseArrays", "Statistics", "Test"]
@@ -225,9 +219,9 @@ uuid = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [[StatsBase]]
 deps = ["DataStructures", "LinearAlgebra", "Missings", "Printf", "Random", "SortingAlgorithms", "SparseArrays", "Statistics", "Test"]
-git-tree-sha1 = "723193a13e8078cec6dcd0b8fe245c8bfd81690e"
+git-tree-sha1 = "2722397d88f8ffef551948f6c20e1d74a743298c"
 uuid = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
-version = "0.25.0"
+version = "0.26.0"
 
 [[TableTraits]]
 deps = ["IteratorInterfaceExtensions", "Test"]
@@ -237,9 +231,9 @@ version = "0.4.0"
 
 [[Tables]]
 deps = ["Requires", "Test"]
-git-tree-sha1 = "be3a3a28a1e6c4fdd838bdf21e796f7a592c565c"
+git-tree-sha1 = "940944e6b68a35046282897a2218891c7cf14a32"
 uuid = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
-version = "0.1.10"
+version = "0.1.12"
 
 [[Test]]
 deps = ["Distributed", "InteractiveUtils", "Logging", "Random"]
@@ -277,7 +271,7 @@ uuid = "fdbf4ff8-1666-58a4-91e7-1b58723a45e0"
 version = "0.4.2"
 
 [[ZipFile]]
-deps = ["Printf", "Test"]
-git-tree-sha1 = "c191e56c849b1784cacbf7cd5e52cc672f1ae2db"
+deps = ["BinaryProvider", "Libdl", "Printf", "Test"]
+git-tree-sha1 = "4000c633efe994b2e10b31b6d91382c4b7412dac"
 uuid = "a5390f91-8eb1-5f08-bee0-b1d1ffed6cea"
-version = "0.7.0"
+version = "0.8.0"
diff --git a/Project.toml b/Project.toml
index 8016547..8665981 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,4 +11,5 @@ DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 MLBase = "f0e99cf1-93fa-52ec-9ecc-5026115318e0"
 Persa = "86800b63-3017-5277-aca5-15d7d6a5f2b2"
 Revise = "295af30f-e4ad-537b-8983-00126c2a3abe"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 XLSX = "fdbf4ff8-1666-58a4-91e7-1b58723a45e0"