Code documentation and change return value for "send" function#4

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yankovskiy wants to merge 3 commits intomattg888:masterfrom yankovskiy:master

+122-107

Commits on Mar 12, 2015

Changed formatting and documenation
yankovskiy
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Commits on Mar 19, 2015

Function send return body and status
yankovskiy
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Commits on Mar 22, 2015

Added collapse key support
yankovskiy
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