Move folder structure to lower case to facilitate better python package/module naming schemes.
Convert guppy_animation_tools to a python package.

Note: Using the installer or gat as a package is still very experimental.
Implementation details WILL change.  The readme will be updated
if or when I decide these changes are going to stick.
Remove old history logs.
guppyInstaller: Only check for updates once per day by default.
guppyInstaller: Add docs to new updateTime caching functions.