0.5

• Added new methods: dverk65, rkev87, rkdp85, rks98, rkr4, rklk5a, rklk5b, rkpp54b, and rkbs54.
• Can now specify root finder for event location.
• Fixed error message bug where all the error codes didn't match the string. 🐞
• Fixed bug in rkls44 method. 🐞
• Readme updates. Added description to the tables. Added some developer instructions.
• Unit test updates. Added a new test.
• Python scripts update. the generate_files now also updates the readme automatically.
• Added the app used to generate some of the floating-point coefficients.