Fix indenting where there was only 1 space, change array to string
Fix tests to be inline with new field UI changes
Merge pull request #118 from joshuataylor/fix-commerce-price-indent

Fix indenting where there was only 1 space, change array to string
Merge pull request #119 from joshuataylor/fix-field-tests

Fix CommerceProductAdmin tests to be in line with new field UI changes
Fix typo in comment for CommerceCurrency class.
Merge pull request #120 from googletorp/currency-fixes

Fix typo in comment for CommerceCurrency class.