v0.8.3

• [#3] remove order sensitivity in test_user_dn [Daniel Moore]
• [#5] clarify unlink specific replica example [Terrell Russell]
• [irods/irods#4796] add data object copy tests [Daniel Moore]
• [#5] Additional sections and examples in README [Daniel Moore]
• [#187] Allow query on metadata create and modify times [Daniel Moore]
• [#135] fix queries for multiple AVUs of same name [Daniel Moore]
• [#135] Allow multiple criteria based on column name [Daniel Moore]
• [#180] add the "in" genquery operator [Daniel Moore]
• [#183] fix key error when tables from order_by() not in query() [Daniel Moore]
• [#5] fix ssl example in README.rst [Terrell Russell]