added endicia carrier--request almost works--getting an error in XML doc
Mail Innovations mostly working for UPS
added in customs info, since it now comes up in Endicia and UPS (Mail Innovations)
endicia carrier officially works for label purchasing (at least domestically); added package options for large, irregular, and shape
added endicia as a carrier--so usps labels are now available; added usps address verification; added customs info and items or CN22 customs form (endicia and UPS MI); UPS Mail Innovations