start rewrite
add runtime module
remove rebar dep for testing
add some runtime steps
add call functionality to runtime
fix runtime exec_loop
better literal support
add conditional support
add another conditional test
add comprehension support
keep track of stalled iterations
add types to records
fix dialyzer warnings
add compound type support
start the compiler to work with the new runtime
start spawn call exec
pass attrs as a 7th arg in the lookup
start implementing the receieve loop
fix the compiler tests
extract pending loop into a module