added several errors and error stream emission#56

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brandonocasey wants to merge 4 commits intovideojs:masterfrom

brandonocasey:handle-errors-rebase-again

Commits on Jan 25, 2016

added several errors and error stream emission
brandonocasey
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Commits on Feb 1, 2016

moved pes,pmt,pat handlers into their own function
brandonocasey
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Commits on Feb 2, 2016

moved handle functions to member functions, now using a switch instead of a table
brandonocasey
committed

Commits on Feb 22, 2016

removed custom erro function, removed triggerData_
brandonocasey
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