Use std::algorithm in atBuiltIn

Sorry about the EOL whitespace removal.  My vim settings were really
aggressive.

I can undo them if you wish.
Merge pull request #3 from kanielc/use-std-find

Use std::find in atBuiltIn
tab formatting
Use find_if in Checks.cpp

- Also replace a uint with an int, as one of the conditions checked was
if the value was < 0.
Merge pull request #4 from kanielc/find-if-in-checks

Use find_if in Checks.cpp
Fixed unsigned int where sign matter
renamed iterator check to incrementer & formatting
Remove excess whitespace and use more std algorithms

A few tiny refactorings and removing some excess whitespace.
Merge branch 'reduce-whitespace' of github.com:kanielc/FlintPlusPlus into dev
added include for std::mismatch and formatting
fixed tokenizer not seeing #include <...> as string literal
removed explicit check from incrementer test now tokenizer is fixed
Commenting
Merge pull request #6 from L2Program/dev

Fixed tokenizer #include path bug, where <...> would not be parsed as a string literal
Update README.md
Fixes #7 Deprecated Incrementer check due to too many false positives
Update README.md
Update README.md
Added getFileName function
Message formatting