Substitute param with optional variable.
Add links to platform repos in README.
move fieldmetainfo test to unittests
fieldmeta unittest fixed

add self to test to actually run
wrong unittest import was used
unittest trickery: file must be named *_test.py to be executed
Some style updates.
Merge pull request #5 from scottpurdy/fieldmeta-unittest

My review recommendations
Merge pull request #416 from breznak/fieldmeta-unittest

move fieldmetainfo test to unittests
Merge pull request #417 from scottpurdy/readme

Add links to platform repos in README.
Merge pull request #356 from alexaltair/patch-1

Substitute param with optional variable.
Merge branch 'master' into scalar_w3
fix set min w >= 21

as written in description
fix examples to the w>=21 limit