remove some warnings; other cleanup.
add thumbnail image used in help
add .gitignore file for a python / c project
add init to code dir
use os.path.sep instead of hardcoded dir separators
push main into its own method so we can call it directly from the .pyt
move .tbx to own subdirectory now that the python toolbox version is working; keep around for 10.0 support.
First pass at a Python toolbox version of the tool.
recursively create output directories as needed.
help doc updates
Change paths to point to correct code; still need to update recieving code to handle 10.0 based inputs (raw parameters as input values instead of strings).