Fixes for bin/robots

[jwrightecs]

The block checking for the Curses module was always calling exit, so bin/robots never ran; correcting that, bin/robots was not importing Curses constants, instead using package globals created with use vars which were unset.

[coveralls]

Pull Request Test Coverage Report for Build 77

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 91.549%

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Totals
Change from base Build 75:	0.0%
Covered Lines:	65
Relevant Lines:	71

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💛 - Coveralls

[briandfoy]

Thanks!