support python -m

issue #9
prep version info for 1.0 release
remove race in directory creation in nop_converter

issue #8
comment to elaborate on read_header behavior

issue #7
cleaner cleaning
fix construction of long_description in sdist

issue #10

Don’t try to use files that aren’t packaged in the sdist.

Also, update the Travis CI config to test the sdist.
minor comment improvements
some README rewording

Mostly, don’t assume that it is being viewed only on GitHub.
monkeypatch msvccompiler for proper bdist_wininst cross-compile

Make sure we get the desired bundled installer exe. Pretty straightforward
given that this is a pure Python module, no C to compile.
changes for 1.0
Merge pull request #11 from neogeographica/1.0

1.0