0.1.0.beta.8

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