Add some tests
Litterate fallbacks for filter functions
Fix `@import` globbing with `--watch`. Closes #1344
Added Icons, and reorganization of graphics folder.
History up
Merge branch 'pr/1346' into rc-0.42.1

* pr/1346:
  Added Icons, and reorganization of graphics folder.
Compressed pngs
Merge branch 'pr/1340' into rc-0.42.1

* pr/1340:
  Litterate fallbacks for filter functions
  Add some tests
History up
0.42.1
win32 debug info, incorrect file path
Bug with `add-property` inside function call. Fixes #1354
Fixed bug with property lookup inside `@block`.
Bug with missed `mtime` in middleware imports. Fixes #1359
Bug with parsing an attribute selector. Fixes #1360
Fixed bug with an expression as arguments of function call. Closes #1361
Added tests for #1361
Fixed compiling to a directory with `.styl` in the name. Closes #1370
Fixed an incorrect line number in multi-line group selectors. Closes #1366
Support for reverse ranges. Closes #1368