fixes typo with JOURNAL_STATUS for ManualJournal
send all create requests using a POST request (untested, could break, ymmv etc...)
Add License References to xero_gateway Gem

Add missing license information for the xero_gateway gem where
parts of Xeroizer have been based off this project.
Merge pull request #33 from adamcooke/master

Associated with Issue #32
Add Xeroizer::Record#to_json
Split batch saves into chunks to prevent Xero timeouts.
Added documentation change for batch chunks.
Made the batch_save chunk size configurable.
Merge pull request #79 from fimmtiu/batch-limits

Chunk Large Batch Saves
Rails 4 no longer includes ActiveSupport::Memoizable
Merge pull request #82 from isaac/rails4

Rails 4 no longer includes ActiveSupport::Memoizable
Ignore Extra Development Paths
Version bump to 2.15.4
Regenerate gemspec for version 2.15.4
Version bump to 2.15.5
Regenerate gemspec for version 2.15.5
Added Invoice#approve - marks an invoice as approved
Rename delete_or_void_invoice! to change_status!
Merge remote-tracking branch 'upstream/master' into develop

* upstream/master:
  Rename delete_or_void_invoice! to change_status!
  Added Invoice#approve - marks an invoice as approved
  Regenerate gemspec for version 2.15.5
  Version bump to 2.15.5
  Regenerate gemspec for version 2.15.4
  Version bump to 2.15.4
  Ignore Extra Development Paths
  Rails 4 no longer includes ActiveSupport::Memoizable
  Made the batch_save chunk size configurable.
  Added documentation change for batch chunks.
  Split batch saves into chunks to prevent Xero timeouts.
  Add Xeroizer::Record#to_json
  Add License References to xero_gateway Gem
  send all create requests using a POST request (untested, could break, ymmv etc...)
  fixes typo with JOURNAL_STATUS for ManualJournal

Conflicts:
	lib/xeroizer/record/base_model.rb