capture selection when pre-parsing _paginated queries
Merge branch 'master' of github.com:exflickr/flamework

Conflicts:
	www/include/lib_db.php
allow an array of features to be passed
fixed bug in cache_get where it would return ok if no cache hook was defined; add a feature flag and global config for cache prefixes; allow cache_memcache to connect to >1 host; add README for cache_memcache in extras
Merge branch 'master' of github.com:exflickr/flamework
make lib_features less complicated; update README for cache_memcache; update memcache config for tests
Merge pull request #23 from straup/master

Update lib_features