Update State::getState() to handle the case of one state (like a framing camera.) (#364)

* Update format of range conversion coefficients isd output to include a separate list for times. Also update driver, test data, and remove unneeded semicolons

* Fix documentaion error

* fix other documentation error

* Added the case of 1 state (1 position, time, and maybe velocity) to getState()

* Roll back ale version # and accidental json submodule deletion