Strip trailing whitespace.

2 files were modified.
Convert leading tabs to spaces.
Add '()' around parameter lists in method definitions.
Use '[]' instead of 'Array.new'
Convert multiline { } to do..end.
Convert double-quoted strings to single-quoted strings when there is no interpolation.

6 files were modified.
Change 'Exception' to 'StandardError'.
Changing 'if !condition' to 'unless condition'.
Insert underscores into literal numbers.
Normalize hash syntax to ruby 1.9
Remove unnecessary 'begin..end'
Remove unnecessary 'return'
Shorten multiline conditionals