Allow Marshal.dump on objects that only have polymorphic associations where a polymorphic association is loaded

Was incorrectly matching to _dump
Merge pull request #159 from gfguthrie/master

Allow Marshal.dump on objects that only have polymorphic associations where a polymorphic association is loaded
use respond_to_missing? thanks ruby 1.9.2
add ordering info methods
no more ass :*(
write some sexy specs
bump version to 2.5.11
build gem
order condition should act like any other scope
bumpt to 2.5.12
Merge branch 'master' of git://github.com/binarylogic/searchlogic into temporary