Merge pull request #104 from KevWright/master

Adjusted Getting Started url
Fix error handling for file includes.
Cosmetic changes to include search path
Make include_markdown behave like other include_macros

In addition, search up from current directory.
Revert "Cosmetic changes to include search path"

This reverts commit 5e5065e35a0f07b91264e382536aa00e619208ee.
Better debug output for better diagnostics.
Implement support for begin/end regexes in include_markdown
Fix macro call parsing.

Function ends at the last closing parenthesis, so that parameters
can have parenthesis.
Log to log file
Added enterprise link to top nav