Prevent config mode and crash if multiple torrent files specified.
Don't snooze status line while quitting.
Add function to compute remaining download bytes with a filter.
Improve accuracy of needed space value when the disk is full.
Use true/false for string value of bool config.
Update cfg_seed_remain default with its value.
Eliminate sha1.c compile warnings.
Need to check/update filter as pieces are checked.
Add hex encoding functionality.