Bugfixes
Bugfixes

Committed fix for reported issues #9 + #21.
Also tidied up a lot of superfluous code and some ‘order by’ stuff that
was not needed.

XeroAPI/XeroOAuth-PHP,whytewaters/XeroOAuth-PHP,elliotchance/xero-api,tkrish/XeroOAuth-PHP,slightlydiff/yii2-xero