Adds refund receipts
Update readme to include refund receipts
Fix refund receipt test
Merge pull request #144 from n8armstrong/refund-receipts

Merge Refund Receipts
0.1.4 release
EmployeeNumber can be a string
Merge pull request #145 from nickgervasi/master

EmployeeNumber can be a string
Fixed #147: initialized Payment#line_items as an empty array
Merge pull request #148 from arthurchui/topic-147

Fixed #147: initialized Payment#line_items as an empty array
Added Line#credit_memo_id
Merge pull request #149 from arthurchui/master

Support to set invoice_id and credit_memo_id
QueryBuilder supports DateTime, Time and Date value
Merge pull request #150 from arthurchui/master

QueryBuilder supports DateTime, Time and Date value
Add class ref to time activity model
Better handling of IN queries.

Now you can pass an array of values to the query builder when specifying an "IN" operator. Automatically escapses quotes and puts it in the correct format.
Merge pull request #155 from markrickert/query-in

Better handling of IN queries in the query builder.
Update estimate.rb

Fixed txn_tax_detail, added :as => TransactionTaxDetail so that it is parsed correctly.
Merge pull request #156 from walter4dev/patch-1

Update estimate.rb
Merge pull request #153 from jabr/add-class-to-time-activity

Add class ref to time activity model