Fix factor key space.
Merge pull request #96 from benbjohnson/unstable

Fix factor key space.
log PATCH events
Merge pull request #97 from orenmazor/log_http_stream_events

log PATCH events
Merge pull request #98 from boourns/unstable

Add benchmarking framework for testing on mass amount of events.
Benchmark cleanup, profiling.
Add expvars endpoint.
Remove benchmark test.
Fix lmdb error reporting.
Improve lmdb error reporting.
Upgrade to codec library.
Improve stream error handling.
Remove NOSYNC.
Move factors to LMDB.
Fix histogram test.
Add additional logging before txn.Abort().
Fix factors mapsize.
Bump to alpha version.
Clean up factors error messages.
Fix missing default in query selection codegen.