Now attributes are escaped only if escape is activated

Add a 4th parameter instead of using $charset

clean code.

Correct bug Call to undefined method Tag.getValue

fix tests

attributes are escaped only if escape is activated for twig too
Merge pull request #55 from amouhzi/master

Now attributes are escaped only if escape is activated
Update README.markdown
HTML comment content should be parsed as raw text, when given on the same line

fixes #40
Added an Executor, to easily execute compiled php-based templates
Removed eval-based example
1.4.0
Update README.markdown
Improved the twig loader
Merge pull request #59 from hason/loader

Improved the twig loader
Changed docs and examples to proxy the Twig loader instead of the lexer
changes
Update README.markdown
Improved compliance with PSR2
Merge pull request #60 from hason/psr2

Improved compliance with PSR2
Update README.markdown
Added CakePHP to the list of supporting frameworks
Merge pull request #64 from lolmaus/patch-1

Added CakePHP to the list of supporting frameworks
changelog
Fixed #65