Changed structure

README.md

@@ -4,7 +4,7 @@ This is a crystal project to manage setting up OptionParser objects based around
 
 ## Usage
 ```crystal
-require "cli_generator"
+require "cligen"
 ```
 
 ## Contributors

src/cligen.cr

@@ -1,6 +1,6 @@
 require "option_parser"
-require "./regex"
+require "./cligen/regex"
-require "./format"
+require "./cligen/format"
 
 module CliGen
   VERSION = "0.1.0"