Fixed identify error, printer issue, continuing to add documentation comments.
Reran JSDoc for all files.
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Working on issue that if one layer fails to load (e.g. Nautical Charts), the whole app fails.
Added bare-bones exception handling to different functions that operate on particular layers.
Changing numeric indices to use text identifiers (for map layer/service identification purposes).
Begun adding function to determine if XX layer has time information.
Merge pull request #10 from DVAlhadeff/master

Misc Issues (RNC, Printing, ID)