Deletes settings files for the specified app that are handled by this library. Also removes directory if empty.
Get a list of paths where settings files were found.
Load settings. Will create settings file by default. Searches all system-wide settings dirs as well as the user's settings dir, and loads the first file found.
Loads all settings files from a subdirectory, with the assumption that each file has the same format.
Safely save a text file. If something goes wrong while writing, the new file is simply discarded while the old one is untouched
Saves settings. Uses user's settings dir.