fix for dead php versions; one more check (object versions with wrong attribute count)

. added more data validation: object versions with wrong attribute count
. fixed: attribute checking did not work with php < 5.3.7

add custom sql checks

0.3.0

Add support for custom sql queries

support attribute checking

v0.2.0

Do not use autoloadhelper as we need inis anyway; Fix integer and flo…

first release: supports checking foreign keys

v0.1.0

Allow generation of fks from ezpo definitions; check problems in colu…