using --tor-version should clear cache
update topology with .5% packet loss on all edges
update default tor version
include src/ext files in scallion plugin

fixes #192
Merge remote-tracking branch 'github/master'
adjusted how torctl determines a full line

fixes #195
remove the socket tracker before closing the socket

fixes #196
wipe cpuworker reply correctly, handle unknown tasks

refs #198
fixes for CPUWorker invalid write errors

Includes some channel clean up but the problem is in scallion cpuworker

-channel cleaned up a bit and actually return the number of bytes copied
-re-write cpuworker state machine to do things a bit more methodically,
including correctly casting various pointers and using statically
allocated buffers to transfer to and from the kernel

this fix got rid of numerous valgrind invalid writes

fixes #198
bump to 1.9.1
Merge tag 'v1.9.1' into release

Tagging bugfix release 1.9.1