Update readme and found source of greenlet crashes

make sure to compile greenlets with CFLAGS="-O0"
Merge branch 'master' of github.com:JoshAshby/Fla.gr into couch_collections
Treat all flags a private and public is just a subset

Add a withoutCollection() to baseCollection to allow for filtering
based on differen sub collections of the same parent collection
Attempt at starting to get this to work with all public flags