Fix wrong sign with negative zero hour timediff. Fixes #63#64

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tyzhnenko wants to merge 2 commits intofarcepest:masterfrom tyzhnenko:fix-negative-zero-timediff-issue-63

+7-3

Commits on Apr 21, 2014

Fix wrong sign with negative zero hour timediff. Fixes farcepest#63
tyzhnenko
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Commits on Apr 22, 2014

fix camelCase. Move abs()
tyzhnenko
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