Our use in the git version of Pry was causing warnings. I don't really think this is Bond's fault, but it might as well be a bit fault-tolerant in not letting this constant be reinitialized.
Enable plural Readline invocations sans warnings.
I'm usually against solving problems this way but I also don't have the time to help investigate. Merging.
We've also fixed it on the other end to not run multiple times.
Ok. I'll revert this then