Multiple settings form implementations

The 7.x port appears to have three implementations of the settings form -

http://drupalcode.org/project/uc_flo2cash.git/blob/f094858eae820db4cbb3d...
http://drupalcode.org/project/uc_flo2cash.git/blob/f094858eae820db4cbb3d...
http://drupalcode.org/project/uc_flo2cash.git/blob/f094858eae820db4cbb3d...

I'm sure there's a perfectly good reason this was done. ;)