Updated compatibility_level to 837

compatibility level 745 expired 8/2013
http://developer.ebay.com/DevZone/XML/docs/HowTo/eBayWS/eBaySchemaVersioning.html
Fixed config file names.
Updated example test code.

Now more in line with the included ebayr tests.
Moving away from stub_ebay_call().
Added read_timeout
Credit where credit is due...