v0.4.0

Virtualization endpoint actions (#8)

* added limit and offset params to all actions

* bump pack version

* added changes file

* POST Request Support and new actions for netbox 2.1.0 (#4)

* Added action to get available IPs within a prefix

* Added action for available IP POST request

* Bumped version number to 0.2.1

* changed version number as per request

* minor documentation fixes

* minor fixes for circleci

* removed extraneous whitespace

* removed more extraneous whitespace

* removed all of the extraneous whitespace

* 'fixed' email address

* removed email address

* added role to devices (#5)

* first pass on storing results in keystore

* updated keynames

* added params to all get actions

* added changelog entry and version bumb

* added virtualization endpoints and id detail routes

* updated readme

* added put, post, patch for virtual machine interfaces

* added interface connections to readme

* changed status to type integer

* fix clusters typo