Gemfile in rubyneat-0.3.5.alpha.2 vs Gemfile in rubyneat-0.3.5.alpha.3

@@ -5,15 +5,18 @@
 ruby '2.1.1'
 
 gem 'mongo'
 gem 'bson_ext'
 gem 'distribution'
-#gem 'gsl'
+
+#TODO: Check out this for a repacement of of statistics2
+#TODO: https://github.com/thirtysixthspan/descriptive_statistics
 gem 'statistics2'
+
 gem 'debase'
 gem 'aquarium'
-gem 'slop'
+gem 'thor'
 gem 'awesome_print'
 gem 'deep_dive'
 
 group :development do
   gem 'rspec'
@@ -25,8 +28,14 @@
   gem "simplecov"
   #gem 'debugger'
   gem 'ruby-debug-ide'
 end
 
+#======================================================
+#= Ancillary libraries
+
 # For demo purposes, we include the gosu library, but
 # don't want this to be part of the mainstream.
 gem 'gosu', require: false
+
+# So we can generate some nice graphics.
+gem 'rubyvis', require: false
\ No newline at end of file