remove LevelDB@1.9.0
@0.4.0 release
memory leak, not disposing of String->Slice char*
@0.4.1 release
batch memory leak, not disposing of String->Slice
@0.4.2 release
proper memory leak fix
@0.4.3 release
late-creation of Persistent handles closes #43
implement db.getProperty() closes #23
add scopes
more memory leak work
@0.4.4 release
track batch() state, no changes post-write()
@0.5.0 release
wut?
leak tester uses defaults
remove unused struct
added simple throughput write benchmark
added random write bench