try python 3
use modern Exception "as" for python3 support
change 0750 to 0o750 for python3 support
update doc for python 3 support
announcing that package works with Python 3
Merge branch 'python3' of https://github.com/grigouze/gandi.cli into grigouze-python3

Conflicts:
	gandi/cli/core/utils/unixpipe.py
Add python3 support (merged pull request #19 from grigouze/master)
Fixes bug with alter_zone parameter in vhost create command
add kernel retrieval support
allow options passed to datacenter.list()

only see this to fetch datacenter information from id,
right now
add output helpers for datacenter and kernel
add command 'gandi vm kernels [match]'

--datacenter to filter by datacenter
--flavor to chose kernel flavor
--vm to list available kernels for that vm

add a filter argument for matching, ie. gandi vm kernels 3.2
Add documentation for gandi vm kernels
add kernel param type

the actual disk.list_kernels() requires a datacenter id, and
would induce many calls. We use image.list() : it is very
hackish as it will prevent user from using orphan kernels.

I'm not sure what to do here.
add kernel parameter to disk update
add cmdline parameter to disk update
add documentation to gandi disk update
Restrict CLI configuration file rights to owner only

Close issue: Security weakness in config file creation #21
add metavar for usage information
reorder arguments to avoid compat issues/ugliness