Remove codemirror as a dependencie.
Casts reals to e-15 to e+15. Create sqrt, cos.
Create specials function (card). Create Cheatsheet generation. Rectify the std doc.
Add the type tester in StdManager, and use it in all std/*? functions.
Complete some tests under test/.
Add sin and tan.
Create Quotes. () now return an empty Molecule. Contexts are attached more efficiently.
Add quotes in parser and it's tests.
Add the MIT licence text.