0.0.21

What's Changed

• Fix issue with removing rows containing NaN values in resampled_ohlc to ignore weekends by @joshyattridge in #28
• added an indication to the previous high and low function, to show if the previous high/low has been broken by @joshyattridge in #29
• Added retracements function, and fixed issues with swign highs/lows by @joshyattridge in #30
• Converted test graph to a gif and made it look cleaner by @joshyattridge in #31

Full Changelog: 0.0.20...0.0.21