Autorenew functionality for Partner Apps
Allow setting session handle
Allow session handle to be set
Remove autorenew option
allow retrieving when OAuth authorization expires
Only add present contact fields to Contact XML representation
Skip TaxRate attributes that are unknown
Merge pull request #32 from alto/master

Support for reconciled bank transactions
added support for manual journals
tidy exception classes
Remove unused files
Fix already defined constant warning when running tests
add accessor for expires_at when renewing access tokens
Fix error handling when trying to renew invalid (as opposed to expired) tokens
Add additional fields to payments
update gemspec
Add optional field BrandingThemeId to Invoice
Merge pull request #36 from dies-el/add_branding_theme_to_invoices

Add optional field BrandingThemeId to Invoice
Xero API appears to reject invoices that have no invoice_type set. Adding check for valid invoice_type in valid?()
Adding ?SummarizeErrors=false in POST to Invoices URI