Fixed wrong path for code-coverage filter after switching to PSR-4

Add an ability to control byRef returning values for methods

Add s special guard to prohibit overwriting of original files

Conflicts:
	src/Instrument/Transformer/CachingTransformer.php

Merge pull request goaop#221 from lisachenko/refactoring/return-advices

[Refactoring] Return advices from matcher

Bump dependencies versions

Merge pull request goaop#153 from chuck911/internalNamespaces-fix

add backslash for internalNamespaces

Add some information about release to the changelog

Optimization: do not split source string into array if there is only …

…one class in the file

Fix version for annotations dependency

Bump version to 0.4.1