TODO

add upgrade command
add builtin assume-role
add dynamic cli parameters based on config
add policy_diff code (to output pretty policy diffs)
rename deps to depends_on
add module config defaults
make apply command operate from plan files
for tests: set session dir to tmpdir that is cleaned up at exit
deb package so we can install on toolboxes
add a version compatibility check for 1.0
add github actions back once Uber billing situation is resolved. Revert PR #60