Release v0.3.3

Minor bugfixes, security patches, and enhancements.

• Extra layer of security on some product fields #213
• Cart to CartItem connection enhanced #215
• Customer functionality improved #212 #214
• orderBy query removed, and it's parameters have added to order query.
• Fixed Order to Refund connection and Customer to Refund connection.
• Fixed bug concerning guest customer order resolution.
• Connection patch for WPGraphQL #1111
• metaData field added to checkout mutation.
• Extra layer of security added to order model
• Pagination testing implemented for connections that support pagination.

Updated tests

• ProductQueriesTest #213
• RefundQueriesTest
• OrderQueriesTest
• CartQueriesTest #215
• ConnectionPaginationTest

Special Thanks to @jasonbahl & @saleebm for contributing