Update Salesforce.pm

Added logout() subroutine.
Ends the session for the logged-in user issuing the call. No arguments are needed.
Useful to avoid hitting the limit of ten open sessions per login.

See http://www.salesforce.com/us/developer/docs/api/Content/sforce_api_calls_logout.htm
Merge pull request #5 from redcharlie/patch-1

Update Salesforce.pm
Update Simple.pm

Added bye() subroutine to call logout() in WWW/Salesforce.pm
Corrected get_tables() to return $res->valueof('//describeGlobalResponse/result/sobjects');
instead of $res->valueof('//describeGlobalResponse/result/types');
Merge pull request #6 from redcharlie/patch-2

Update Simple.pm
Update Changes

0.18 Mar 20 2013
    - Added logout() subroutine to end session for logged in user
    - Added bye() subroutine to simple.pm to call logout()
    - Corrected get_tables() subroutine in simple.pm
    - above by charlie redditt
Merge pull request #7 from redcharlie/patch-3

Update Changes
ship 0.18
Merge branch 'master' of https://github.com/redhotpenguin/WWW-Salesforce