Add test for nchar with push
Add test before newline
Ability to look back by more than one character
Add formatting style checks

The checks added seem to be universal.  See:
http://en.wikipedia.org/wiki/Indent_style
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
http://www.freebsd.org/cgi/man.cgi?query=style&sektion=9
https://www.gnu.org/prep/standards/html_node/Formatting.html