Fixes Sass 3.3 BEM-style selector syntax support #319
Merge pull request #369 from wonja/bem_selectors

Fixes Sass 3.3 BEM-style selector syntax support #319
allowing arbitrary hyphens at the beginning of BEM selectors #319
Merge pull request #370 from wonja/bem_selectors

allowing arbitrary hyphens at the beginning of BEM selectors #319
make string length function use our helper code point function
string insert function using code point offset to byte offset function
string index function
string slice function
string case conversion functions
Merge pull request #371 from wonja/str_functions

yay more stuff

Remaining string functions
fix compiler warnings about missing end of file newlines

* added terminal newlines to some specific files which caused compiler warnings
whoops, we should re-enable optimizations and disable debug info
including a necessary header file
change the binary literals to hex literals so that it can compile without special flags or GCC
dammit, forgot these two ... I guess we shouldn't be using magic numbers in the first place
Correctly interpret variable interpolants in @import css statements. Fixes #367
Merge pull request #373 from wonja/interpolants_in_css_imports

Correctly interpret variable interpolants in @import css statements. Fix...
reorder initializer list to correspond to class member definition order

* fixes ''Sass::Context::c_functions' will be initialized after... warning
Merge pull request #375 from rivy/rivy-fix-EOF.newlines

fix compiler warnings about missing end of file newlines
Merge pull request #376 from rivy/fix-context.cpp

reorder initializer list to correspond to class member definition order