Fix warning for string + bool instead of string + string
Fix warning that size_t var results in test always being true
Working on placeholder selectors.
Changing the handling of `!important`. Not a flag anymore; just a string now.
Getting more IE syntax to work.
Merge branch 'master' of https://github.com/hcatlin/libsass
More test cases.
Handling more IE syntax.
Fixing some problems with string interpolation.
shouldn't clobber the old env when evaluating default params
fixing more interpolation-related stuff
changing some tests
more tests
Merge branch 'master' into placeholders
Getting placeholders to work properly.
fixing a small parsing bug
'nuther tweak to string interpolation
Merge branch 'warnfix2' of https://github.com/carsonmcdonald/libsass into carsonmcdonald-warnfix2

Conflicts:
	parser.cpp
Oy, gotta copy definitions, otherwise reloading the same definitions in different scopes will end up sharing and clobbering pointers.
Don't forget to strip comments out of the compressed output.