first pass at hash support
Fixes #687. Bug when using CSS calc function
Fixes #1144. jsbin infinite loop
Fixes #1146. fails to detect schemaless absolute urls
Merge 0.38
tests pass
object['prop'] and object['prop']= support
Allow to inject Evaluator via Renderer's options
object['prop']= lists support
for prop in obj and prop in obj support
for prop, value in obj support
'prop' in obj bug fix
strings as keys support
correct length of the object
better toString()
Fixes #1152. Bug with `else if match()`
Fixes #1153. url paths are parsed with backslashes in windows7 if --relative-url is enabled
Fixes #1153. url paths are parsed with backslashes in windows7 if --relative-url is enabled
empty hash is false
complex test cases