yes exactly, this is a major bc break for our event consumers. good we
did not release 1.0 yet, so we can tell people "told you" :-)
but we still should start the changelog when we do that.

@stof: will doctrine orm 2.3 be compatible with commons 2.4? if not
requiring commons 2.4 would make us incompatible for use in a project
with orm 2.3