Fixes #710: Empty block with CSS syntax
Merge remote-tracking branch 'origin/patch-5' into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Added optional argument to image-size function for ignore errors. Fixes #738
Fixes #810 Inline comments break with class declarations
Added "hidden selectors" that can be @extend-ed but do not appear in the rendered CSS

- any selector starting with "$" is hidden (e.g. $foo)
- similar to SASS's "hidden classes", except that in SASS they start with "%"
Merge branch 'pr/862' into rc-0.32
Added tests with `//` in attr selector, fixed the regex for inline comment from #862
Merge branch 'pr/712' into rc-0.32
Tests for #1014
Merge branch 'pr/1014' into rc-0.33
Extra test for #812, illustrating testing of the existance using image-size
Merge branch 'pr/812' into rc-0.33
Typos in tests fixed
Changelog updated
Updated comment for `image-size`
Docs on extends updated, adding piece on placeholder selectors
Updated version num