Basic building blocks
Improved a_oneshot
Indirect-coded actors
Make fork an actor, remove explicit actor release
Explore send abstractions and new ABI?
Watchdog timer actors

and some bug fixes
Added adventure menu
Parameterize initial event

added a_test unit test driver
Make serial_eol() callable
Fix C declarations
Set up watchdog timer for tests
Sanity checks
str src,[dst] is opposite of stm dst,{src}
Unit test success
Rd and Rm should be different in mul
Fix asm bugs
Fork unit test
Non-actor watchdog and event dump
Escape backslash
Refactor watchdog and trace hook