b05 - Evaluation des chaines

+ garantir une compatibilité ascendante et permettre l'utilisation de '\' sans avoir à le doubler '\\'
Merge pull request #24 from niconil/b05-allowbackslashcharacter

Fixed a bug preventing the use of backslashes in strings
Global
- updated CHANGELOG
- updated version number
Code
- fixed a bug that prevented objects to be released while the script was running
ActionTools
- fixed a minor memory leak