First try to get new types support in ogm.

Began with URLType but was stoped by lack of support of unwraping URL from URL in (first trying to bind type in ISPN as native java object).

Coded an URLTypeDescriptor on l behalf (extend hibernate code one)


Working BigDecimal, BigInteger, Boolean, Byte, Url as java native types.


Shall move to string representation before going on on other types.