logger module added

lib/obsws/util.rb

@@ -2,12 +2,11 @@ module OBSWS
   module Util
     class ::String
       def to_camel
-        self.split(/_/).map(&:capitalize).join
+        split("_").map(&:capitalize).join
       end
 
       def to_snake
-        self
-          .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
+        gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
           .gsub(/([a-z\d])([A-Z])/, '\1_\2')
           .downcase
       end