Add ColourChooser to README

README.md

@@ -206,7 +206,7 @@ However, by dropping in `GooeyParser` and supplying a `widget` name, you can dis
 | PasswordField | <p align="center"><img src="https://github.com/chriskiehl/GooeyImages/raw/images/readme-images/28953722-eae72cca-788e-11e7-8fa1-9a1ef332a053.png" width="400"></p> |
 | Listbox | ![image](https://github.com/chriskiehl/GooeyImages/raw/images/readme-images/31590191-fadd06f2-b1c0-11e7-9a49-7cbf0c6d33d1.png) |
 | BlockCheckbox | ![image](https://github.com/chriskiehl/GooeyImages/raw/images/readme-images/46922288-9296f200-cfbb-11e8-8b0d-ddde08064247.png) <br/> The default InlineCheck box can look less than ideal if a large help text block is present. `BlockCheckbox` moves the text block to the normal position and provides a short-form `block_label` for display next to the control. Use `gooey_options.checkbox_label` to control the label text | 
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+|  ColourChooser   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;| <p align="center"><img src="https://user-images.githubusercontent.com/21027844/72672451-0752aa80-3a0f-11ea-86ed-8303bd3e54b5.gif" width="400"></p> |