~~~~~~~~~~~~~
* **[added]** Added ``TrapInfo.origin`` containing the IP-address of the host
emitting the SNMP Trap (See 79, by Richard Smith).
* **[added]** Allow specifying the SNMP version on "set" operations (See 77,
by Mischa Spiegelmock).
* **[added]** Support for SNMPv1 for ``multigetnext`` (by Mischa Spiegelmock)
* **[support]** Better(?) type hinting
* **[support]** Introdce ``puresnmp.snmp`` with SNMP-specific data structures
(refactored out from ``puresnmp.pdu``.
* **[support]** Some unit-test house-keeping for Python < 3.6