added some other functions to verify the type of a serialized string
Merge branch 'master' of https://github.com/csavelief/gwt-toolbox

Conflicts:
	src/fr/mncc/gwttoolbox/primitives/shared/ObjectUtils.java
added some functions to determine the type of a serialized object
added map api for Postgresql
Merge branch 'master' of https://github.com/csavelief/gwt-toolbox