SCRAN: Minor bug fixes. (#133)
SCRAN: Minor bug fixes. (#133)

Three minor changes: a) Added error guard to scran, `remove-component!`, b) Fixed typo in scran error message generation, and c) `reset-all-systems!` now skips system exit hook logic.

VincentToups/lambdanative,VincentToups/lambdanative,VincentToups/lambdanative,VincentToups/lambdanative,VincentToups/lambdanative