cmdftp

This release mainly addresses long standing bugs,
however some new features are also available.
Among these is a sensible performance improvement
for recursive transfers if the server supports the
MLST extension and automatic netrc skeleton
generation for anonymous auto-login.

The main focus of this release is the move to the GPLv3.

Changes include fixes for interacting with IIS
servers and a new --debug option to trace protocol
issues.

Changes include some portability fixes and minor output format changes.

Changes include better command parsing, support for character escaping, some portability fixes, and minor bugfixes.