Copy of TODO.rst

[moorepants]

Removed TODO.rst from the repo and moved the notes here:

• [x] Add the root loci plots in the complex plane.
• [ ] Add a transfer function method to the Bicycle class.
• [ ] Start using some other convention other than camel case for the file names.
• [ ] Add a critical speed method to the Bicycle class.
• [ ] Add methods to ouput other parameter sets (Sharp2008, JBike6, etc).
• [ ] Change lsp + lst to just one variable for the bike geometry.
• [ ] Move some of the functionality to DynamicistToolKit and have the imports work with uncertainties.
• [ ] Add a load_parameters method to the Bicycle class.
• [ ] Add lots of tests for the code.