move vool statements into own directory

also tests for guard to work

lib/vool.rb

@@ -3,19 +3,4 @@ module Vool
   end
 end
 
-require_relative "vool/array_statement"
-require_relative "vool/assignment_statement"
-require_relative "vool/basic_values"
-require_relative "vool/class_statement"
-require_relative "vool/hash_statement"
-require_relative "vool/if_statement"
-require_relative "vool/logical_statement"
-require_relative "vool/method_statement"
-
-require_relative "vool/return_statement"
-require_relative "vool/statements"
-require_relative "vool/send_statement"
-require_relative "vool/variables"
-require_relative "vool/while_statement"
-
 require_relative "vool/ruby_compiler"

lib/vool/ruby_compiler.rb

@@ -1,3 +1,18 @@
+require_relative "statements/array_statement"
+require_relative "statements/assignment_statement"
+require_relative "statements/basic_values"
+require_relative "statements/class_statement"
+require_relative "statements/hash_statement"
+require_relative "statements/if_statement"
+require_relative "statements/logical_statement"
+require_relative "statements/method_statement"
+
+require_relative "statements/return_statement"
+require_relative "statements/statements"
+require_relative "statements/send_statement"
+require_relative "statements/variables"
+require_relative "statements/while_statement"
+
 module Vool
   # This RubyCompiler compiles incoming ruby (string) into vools internal representation
   # with the help of the parser gem. The parser outputs an abstract ast (nodes)