Alessandro Arzilli authored Oct 22, 2016 and Derek Parker committed Oct 21, 2016

* proc: changed windows backend to deal with simultaneous breakpoints

* bugfix: forgot to add windowsPrologue3 to the prologues list in e4c7df14

* Tolerate errors returned by Stacktrace in TestStacktraceGoroutine.

* bugfix: proc: propagate debug events we don't cause back to the target process

Fixes: #594

* proc: fixed TestStepConcurrentPtr

Implementation of nextInProgress was wrong.