Delete element by ID (#83)

* adds delete command, fixes #25
* fixes #82 adds a newline after output
* updates versioning, changlog

Adds experimental elements cheatsheets webserver (#81)

v0.17.3 (#77)

v0.17.2 (#75)

v0.17.1 (#71)

v0.17.0 jobs (#69)

v0.16.0 (#67)

* v0.16.0

v0.15.3 (#63)