4/16/2021: Release version 0.5.3/0.5.4

[Shicheng-Guo]

Hi Liguo,

Is this github is latest 0.5.4 version?

4/16/2021: Release version 0.5.3/0.5.4 Add CrossMap.py viewchain to convert chain file into block-to-block, more readable format.

https://crossmap.readthedocs.io/en/latest/index.html#compare-to-ucsc-liftover-tool

Thanks

Shicheng