Initial beta commit

Initial beta commit
Minor changes

Just fixing up some stuff
Adding in project build/settings

Adding in project build/settings
Added in parsing of functions

Modified ToRPN to correctly parse functions
Finished work

Finished evaluator, and modified directory
Removed Progam.cs

Removed Program.cs
Only calc.cs is required
Bug fixes and mods

Fixed a few bugs, and modified the code a bit, hopefully to be more
efficient.
Fixing stuff

Renamed a bunch of things, modified the code a bit, and fixed some bugs.
Next build: clean up code!
Added in more stuff! ...and bug fixes

Added in mod, cleaned up code, added in implicit multiplication with
brackets, and general bug fixes (as well as spelling fixes)

next build: implicit multiplication with functions
Bug fixes and implicit multiplication

Some bug fixes, implicit multiplication.
Possibly a bit slow now. I should try to benchmark this and speed up
areas that are slow.

I benchmarked the last commit and I was getting an average of 24ns per
query on my machine. Now it's up to about 30ns.

Anyways, next commit: readme fixes, new examples, cleaning up code, and
merging beta with head.
Modified examples, and a bug fix

Additionally, readme got updated.
Merge pull request #1 from pdemian/beta-build

Beta build