split symbol and broke barcode overloads
removed untested upcE and mock extensions
<ianhollander at gmail.com> "Ian Hollander"
Added unit tests for Ean13, EAN8, UpcA and the undeling Symbol object
started pimpl-ized process and moved symbol into abstractengine namespace
all barcode engine classes impliment Pimpl
index on (no branch): bd0c949 all barcode engine classes impliment Pimpl
=basic symbology class structure
=converted engines to symbology class structure
reorginize symbology files