Merge pull request #35 from math/master

German localization
Make test more sensible
Add expectation for locale loading
Version bump for release
Update contributors list
README tweak
Handle variable direction with gusts
Version bump for release
Use https to get gems
Add missing comma
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Improve string concatenation
Use self instead of the class
Use Structs
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Simplify require
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:each is the default for rspec 'before'
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