Translation : 90% of the code, message and documentation is now in (bad) english
remove SearchCore and SearchElement
Not necessary to write "new Xxxx()" at the end of a Entity File anymore \o/
fix typo
add some Unit Test
some factorization into Trace system
add documentation, fix some lake
Change some Exception to IllegalConfigurationException
Change some Exception to IllegalArgumentException
Add some Trace into Core class instead of echo
Add translation in Core file
signature of CreateTable and DropTable changed
add some translation