darcs-hash:367207e257850680ff363bbbaacef18128c67baf

darcs-hash:9f794c38c65d76cddc34aa252b2ef57f8e82e182

darcs-hash:176ec8a1c2ab697ccbea1093d2386bf8aae6234a

Renamed select-*-matching to select-*-matching-instance and refactor to accept order-by and other clauses too.

darcs-hash:18fcbdc71daf573b8d9b1e4bc981c2b3a5d4c0e4

Renaming object to instance to be conform with make-instance, initialize-instance and friends. Abject, etc.

darcs-hash:e67b7ec2ab872715dbf7f3dc8cc2bac7eec9cd78

darcs-hash:2d4599ca55bcfd657779b5120b38e98c0fefc0d4