Enhanced CTorrent Code

Flush handshake upon send.

Improve debug output for peer connection errors; flush handshake upon send.

Better handling of disk full/error, including when not using cache.

Style changes (formatting, spelling, etc.)

Completion command incorrectly changes terminal state.
Handle socket closures and fork cleanup a little better.

Don't send HAVEs needlessly.

Defer HAVEs instead of suppressing them.

Introduce new, more specific data types for standardization.
Improve handling/use of standard types.
May also correct some 64-bit and/or large file/torrent issues.

Space in config input appears as '+'.

Peerlist prioritization