Added clear history functionality.
Added pause queue button to UI (No functionality implemented yet)
Added "secret" /debug URI for testing env variables.
Only starting threads when downloading, no more idle waiting threads.
Fixed list removal for old threads.
Fixed issue #15
Fixed issue #11
No Slicing at the template level, no need to touch JS.
Fixed issue #10
Already catching improper url during queue, double-work here.
Fixed issue #14
Pragma table_info DB column checks on startup.
Remoed some of the erroneous/silly entries for test data.
Fixing numerous PEP8 style blunders.
Fixed PEP8 stye non-adherance.
Updated readme