Updated quite a few things over our last hackathon#2

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yazaddaruvala wants to merge 19 commits intodriverdan:masterfrom

yazaddaruvala:master

Commits on Aug 18, 2012

Added a disconnect method so the user doesn't need to mess directly with the serial port during program exit.

Daruvala
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yazaddaruvala
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Added some Collision Detection.
yazaddaruvala
committed
Spelling error fix
yazaddaruvala
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Commits on Aug 19, 2012

Commits on Aug 22, 2012