shorter syntax for existing tags

template side:
@testo NS1\ClassName methodName
@testo path/to/file

source side:
@testo {
@testo }
@testo uncomment
@testo source
regexps fixes
multiline comments support
Import class feature
@testo NS1\ClassName
Code sources and filters are single classes now.
"@testo source" directive is no longer supported
tests for Filters
tests for Sources
Sources don't depend on Testo.
Added RootDirAwareInterface as dependency only for FileSource (It doesn't matter where root dir come from)
AbstractSource => SourceInterface
fixes
fixes
fixes
Merge pull request #3 from formapro/syntax_improvements

Syntax improvements