0.1.8

Changelog

856237c moved nsc describe -f <file> to be nsc describe jwt -f
139b601 added manual parsing code for token
0343fc5 add operator and other fixes to the context etc
3fc5008 Minor fix to update, default time to current time (#30)
0d5e986 fix test
9122bcc Wildcard exports
cf55c52 fix export user
e6b4532 Merge branch 'master' of github.com:/nats-io/nsc
dbb394f list users and servers