Minor style tweaks
Fixed how port is set.

First lookup 'PORT' in os.environ if not present use options.port
Refactored and added tests port assingment
Merge pull request #18 from @alej0varas

A clear bug.

For reference, the corresponding Foreman code is [here][fm]:

[fm]: https://github.com/ddollar/foreman/blob/master/lib/foreman/engine.rb#L180
`honcho run` should capture all arguments
test for existing stdout+stderr behaviour
`honcho run` keeps stdout and stderr separate
Rewrite assertions for Python 2.6 compatibility
Merge pull request #19 from mgax/args

`honcho run` should capture all arguments
Merge pull request #20 from mgax/stderr

Make `honcho run` keep stdout/stderr separate.
Better handling of subprocess return codes

Honcho now returns the return code of the first of its processes to exit, or
130 if it is interrupted at the console (i.e. with Ctrl-C).
Bump version -> v0.2.0
Merge pull request #1 from nickstenning/master

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