6fae1c9 agent: implemented dupInstanceError
816fb11 Improve fly agent command help copy
469904e Improve warning message wording when stopping an out-of-date agent process. Addresses #769.
d15b989 implementation of the new agent (#728)
9b736c7 revert to the old sleep behavior (#763)
a73fc51 Machine clone command (#757)
546404c flush sentry before program exit (#761)