v1.5.2

ControlSystems v1.5.2

Diff since v1.5.1

Closed issues:

• Lsim docstring update (#758)
• rlocus method (#764)
• lsim, error message for single input system (#767)
• lsim, error when input is a matrix (#769)
• Crating discreate delay system is not allowed as delay is continues (#773)

Merged pull requests:

• Notify user what vector/matrix size is expected for x0, u (#768) (@mzaffalon)
• Restrict size of input parameters (#770) (@mzaffalon)
• improve default limits for nyquistplot (#772) (@baggepinnen)
• add discrete-time delay constructor (#774) (@baggepinnen)
• Implement getpoles for a vector K passed as a parameter (#775) (@mzaffalon)
• try get stable docs to deploy (#776) (@baggepinnen)