Porting to apscheduler3 started, persistent sqlite jobstore, /add_project/ endpoint ported and verified.
Refs #24
remove_project now based on id, each project object added has an id = name of project by default.
Refs #24
update_project_basic updated to be compatible with apscheduler3 and persistent jobstores.
Refs #24
/update_project/schedule/ updated to be apscheduler3 compatible.
Refs #24
Migration to apscheduler3 complete.
rsync_options listing problem solved by ensuring defaults at higher levels then core syncing functions.
Refs #24 and #31