v0.9.8: fix(if entry helper): move enum defs above class

fixes an issue with IF Entry helper

v0.9.7

adds crystal version to shard.yml

v0.9.6

adds support for skipping message verification on V3 messages

v0.9.5

adds SNMPv3 support to the client

v0.9.4: fix(security): resolve deprecation warnings

removes deprecations warnings in crystal 0.35

v0.9.3

fixes compiler warnings

v0.9.2

fixes a compiler warning

v0.9.1

Adds Client class.
Thanks to @kalinon

v0.9.0

initial release