Update changelog

Update README

fix version metadata

bump version

chore: bump version (#51)

Update PyPI Publish (#45)

fix: #36, clean pint warnings and typo (#40)

feat: add calc_threshold* to Compare (#39)

add some calc_threshold* method to Compare object

feat & fix: add some features (#38)

## Features
* calc_mbe: mean bias error
* calc_threshold_hit_ratio

## Fix
* drop_nan: The problem that if input as list, the result is unexpect.

## Tests
* add test for:
	* calc_mae
    * calc_mbe
    * calc_threshold_hit_ratio
    * calc_threshold_false_alarm_ratio
    * calc_threshold_ts
    * calc_linregress

fix: wind direction identification not correct at boundary. (#35)