simplify version assignment
add a make tag task
0.2.2
simplify variable increment in test/run
don't run tests in subshell
running in a subshell makes it so test assertions cannot update pass_count and fail_count.
#55 - fix problem with DRIP_INIT defaults
have to use printf to get newline in variable
don't print to error.log when drip jvm exits because of a signal