Implemented enhancements:
- Implement #43 Allow table of contents to generate from arbitrary depth of headers #44 (mythWizard)
Fixed bugs:
- Default text align for tables should use --- #42
- Fix #42 Default table's text_align should be '---' #45 (didix21)
Closed issues:
- Allow creation of Table of Contents with arbitrary depth #43
- write file to specified path #41
