Strip trailing whitespace.

3 files were modified.
Convert leading tabs to spaces.
Add '()' around parameter lists in method definitions.

2 files were modified.
Use '[]' instead of 'Array.new'

2 files were modified.
Convert multiline { } to do..end.

2 files were modified.
Convert double-quoted strings to single-quoted strings when there is no interpolation.

7 files were modified.
Change 'Exception' to 'StandardError'.

2 files were modified.
Changing 'if !condition' to 'unless condition'.
Insert underscores into literal numbers.
Normalize hash syntax to ruby 1.9
Remove unnecessary 'begin..end'

2 files were modified.
Remove unnecessary 'return'

2 files were modified.
Shorten multiline conditionals