rename conditional to control in parser

lib/parser/control.rb

@@ -0,0 +1,13 @@
+module Parser
+  module Control
+    include Parslet
+    rule(:conditional) do
+      keyword_if >> left_parenthesis >> expression.as(:conditional) >> right_parenthesis >> newline >>
+        expressions_else.as(:if_true) >> expressions_end.as(:if_false)
+      end
+    
+    rule(:while_do) do
+      keyword_while  >> expressions_do.as(:while_cond)  >> expressions_end.as(:body)
+    end
+  end
+end