v0.1.2

Changelog

81ffe0e Crawler performance improvement (#243)
8bf97e6 Lock to ubuntu-18.04 the release.yml GH action
ececb69 Trade complete time unix bug (#230)
7305354 Update rpc to newer version of protobuf & Improve MarketPrice (#244)
6c9e03f add timestapm to stats filename
79e511a basic instrumentation added
3f7e256 basic instrumentation added (#234)
a3c523a change stats file dir
b2db0a6 enable instrumentation for debug level or higher
76a849f profiler handlers added (#236)
d77890f refactor after of review