Version bump

Support aria2 downloading resuming (disable preallocation) houtianze#263

Fix error in upload progress updating (houtianze#260); Add in aria2 d…

…ownloading retry (houtianze#263)

Change --user-aria2 to --downloader=aria2; Version bump

Trivial: Update setup

Fix previous import; Version bump

Version bumped to 1.2.16

Fix severe bug (accidental directory deletion) in 'download()'

Add in 'download' command

Fix typo (again)