Recognise tabs as whitespace.
Implement Array::[]
Merge pull request #323 from jstepien/array_singleton_subscript

Implement Array::[]
Merge remote-tracking branch 'origin/master' into tim/Module#define_method

Conflicts:
	topaz/objects/procobject.py
Merge pull request #300 from topazproject/tim/Module#define_method

Add Module#define_method
Remove unnecessary test code.
Better tab indentation test.
Merge pull request #322 from jerith/jerith/tab-indentation

Recognise tabs as whitespace.
also remove this
Merge remote-tracking branch 'origin/master' into tim/rubyspecs