classify 0.2.0

A collection of algorithms for categorizing 1D data
Documentation
# Version 0.2.0 - 8/8/2022

Changes:
 * Redefined `Classification` as a type synonym for `Vec<Bin>`
 * Added changelog
 * Removed `UniqueVal` from public access

# Version 0.1.5 - 8/4/2022

Changes: 
 * Added `classify_val` function`

# Version 0.1.4 - 8/4/2022

Changes:
 * Added Equal Interval and Standard Deviation Breaks functions

# Version 0.1.3 - 8/3/2022

Changes:
 * Added Head-Tail Breaks functions

# Version 0.1.2 - 8/2/2022

Changes:
 * Added Quantile Breaks functions

# Version 0.1.1 - 8/1/2022

No significant changes

# Created 8/1/2022

Original features:
 * Jenks Breaks functions
 * `Classification` and `Bin` structs