Always put a white space between `#` and the comment message
Always place bad examples before good ones
Merge pull request #160 from cveneziani/more_consistency

More consistency
Add tools section
Minor change
Discourage use of semicolons
Add some IO steam related advice
Discourage the use of String#%
Extend a bit the binary operators rule
Avoid hashes as optional parameters exception

except for object initializers.
Merge pull request #163 from sinajahan/master

Avoid hashes as optional parameters exception
Add acceptable uses for ; in one-line classes and methods
Make wording around single-line class definitions more clear

Remove section on single-line method definitions.
Merge pull request #165 from lee-dohm/one_liner_semicolons

Add acceptable uses for ; in one-line classes
Add rules about one-liner methods
avoid global variables by using modules instead of classes