brother_ql v0.9.2

New Functionality:

• New CLI command brother_ql info env 78b5667
• new CLI option brother_ql --version (#34) 1fb11eb

Miscellaneous:

• Updated README: Installation, Deprecated CLI Tools, Author, Contributing 90076be,
  0f03cfe

Bug Fixes:

• fixed: running brother_ql on Python 2 was raising NotImplementedError (#40) 7ab1e67
• fixed: convert() failed when supplied with PIL.Image instance instead of image filename (#39) 4ac1c76
• fixed pyusb backend: make the right iface is being selected d209040, fe55344