Merge pull request #26 from rchekaluk/qbxml

Rails 4 fixes
Merge pull request #27 from rchekaluk/bugfix/advance_next_request

Fix advance_next_request
Merge pull request #28 from rchekaluk/feature/clear_jobs

New clear_jobs function
Merge pull request #29 from rchekaluk/feature/enforce_time_order

Process jobs in queued order
Fix install_generator
Expand install and config sections, format code
Ignore pkg
Fix generation of AppURL
Explain how to configure QuickBooks Web Connector
Apply #23 to master
Add logging
Give an actual working example
fix interpolation in list customers example
Merge branch 'master' into bugfix/https_certificate
Cleanup: change protocol https to http