Little things

Better timeout handling
Priorit /0 fix
Make sure full piece received
Better disk full checking
Timeouts as warnings, not errors
Some API stats
Updates examples
Little things

Handle long windows names
Retry API calls if timeout
Better file closing to avoid failed moves
Fixed retention
More reliable deletion, better completion moving
Fix key errors for dead threads
Long windoes names, Better file closing
Fixed missing hash in ajax dfata
Calculate global retention time
New icon
Test for server connection timeout