#pymd documentation Generate Markdown documentation from Python module.
cli() -----------------> Handle command-line arguments.
generate_markdown() ---> Generate Markdown documentation for a module.
no_extension() --------> Remove .py extension from module name.
##generate_markdown Generate Markdown documentation for specified module.
module = name of the module (may also be passed as a command line argument)
Creates a module.md file with documentation based on the docstrings in
module.py. Overwrites module.md if it already exists.
Special case: if the string 'internal' surrounded by <> occurs in a
function's docstring it will be displayed with a smaller heading in
the module.md output file.