Added regression test for attribute definition on ruby 1.8.7
Fixed bug on ruby 1.8.7 attribute definition
Merge pull request #48 from zertico/bug_1.8.7

Added regression test for attribute definition on ruby 1.8.7
Added test to check that it can handle XMLRPC::DateTime conversion to time
Added code to fix the issue when converting XMPRCP::DateTime objects
Merge pull request #49 from zertico/time_conversion

Conversion error when working with XMLRPC
Merge pull request #50 from zertico/time_conversion

Added code to fix the issue when converting XMPRCP::DateTime objects