added shortcut for scoping relationships like author.articles(:date.gte => yesterday). Same as author.articles.all(...)
added shortcut for scoping relationships like author.articles(:date.gte => yesterday). Same as author.articles.all(...)

engineyard/dm-core,tillsc/dm-core,joevandyk/dm-core,ar-dm/ardm-core,datamapper/dm-core,tpitale/dm-core,alloy/dm-core