implemented Simulator#dispatch as a native method
Merge branch 'dev' into ext
implemented custom c debug method
configure rake-compiler
fixed dispatch method
implemented classic simulator strategy in c
added pry for debugging
set ground example logger to info
removed FileList from gemspec
implemented classic RootCoordinatorStrategy & CoordinatorStrategy in C
each_coupling now returns an array if no block is given
cleanup
fixed gemspec
cleanup
extracted devs-parallel & devs-time_warp in two respective gems