Merge pull request #62 from offbyone/fix-ioctl-size-returns-0

Handle the case where the ioctl returns sizes == 0
Properly skip empty second parts in dls
Merge branch 'master' of github.com:mitsuhiko/click
Updated notes on docopt
Docs: fixes
Merge pull request #63 from julen/doc-fixes

Docs: fixes
Added a group decorator to group classes.
Added support for nargs in other places
Fixed a broken example in the docs
Converted a list into a tuple
Simplified internal parser API
Further simplified internal parser API
Added support for alternative prefix chars
Documented alternative prefix chars
This is 0.2
Added count support and int ranges
Added lazy file opening
Added tests for lazy flags
Documentation updates for file handling
Added notes on missing "+" from argparse