josdejong/mathjs — pull request #250 by BigFav (2014-12-16 16:27:45+00:00)
Title: Boolean logic

Created the boolean files for `&&`, `||`, and `!`. I did not do XOR because it is the logical equivalent of `!=`. I was going to add `!` to the parser, but I'm waiting for my other request (the BigNumber bitwise) to get pulled.