newgen progress - collection data file features and new test cases
rename constant DOC_HEADER to DOC_HEADER_SIZE
rename file to commonfile
hash table file impl; chunk collection impl; several tests are still failing
chunkcol test cases all fixed
more chunkcol features; hashtable clear feature; file clear feature
Fix index GetIn; Add scrub feature to chunk
just a reminder
remove unused files
add prefix to UIDs; fix scrub test case; progress on db/col.go
basic CRUD in db/col.go
manually rever the uid prefix idea for now, a better idea needed
Collection features are almost completed, but we still need to make a map-reduce feature
coordinate chunks for UID features
Collection scan
DB features
Proof of concept build and benchmark
fix a collection scan bug
Move all chunk relative doc ID calculation to chunkcol
better error handling in chunk creation