Testability improvements

Added a utility function to report errors, and use it in unit tests.
Also add another ENV option (SFDC_URL) to  easily change the salesforce
instance to unit test against.
Merge branch 'master' of https://github.com/redhotpenguin/WWW-Salesforce

Conflicts:
	lib/WWW/Salesforce.pm
Report error details for failed tests

Use reportFailureDetails() for all failing tests, to report the
failure reason and code.
add a default for convertedStatus, add more tests
Testability improvements

Added a utility function to report errors, and use it in unit tests.
Also add another ENV option (SFDC_URL) to  easily change the salesforce
instance to unit test against.
Report error details for failed tests

Use reportFailureDetails() for all failing tests, to report the
failure reason and code.
add a default for convertedStatus, add more tests
add web proxy, bump version
add proxy support, bump version
updated Changes file to reflect 0.19
Merge branch 'master' of https://github.com/redhotpenguin/WWW-Salesforce
Merge branch 'master' of https://github.com/dclendenan/WWW-Salesforce

Resolved conflicts in:
	t/WWW-Salesforce.t
Improve version-diag details, remove default convertedStatus

Remove unwanrted default for convertLead added in interim commit
Add more details to the diag for which versions we're testing
remove duplicate diag, update Changes
Merge pull request #8 from dclendenan/master

Upstream proxy support and unit test extensions.