fix: obfus - ignore var + tests (#20)

feat: changes to obfus - ignore vars; fix import within argsh env; an……d tests (#18)- feature obfus: to ignore vars as flag- fix import: was ignoring `ARGSH_SOURCE`- tests: added minify test- fix args: didn't handle rest positional params correctly (array)- moved test fixtures to tests itself

fix: obfus - here doc (#15)here doc is not parsed correctly. Also, keep spaces.

feat: improve obfus newline handling (#12)Removed `sed` and pure `perl` for newline parsing/removing.Fixed edge cases like arrays, quotes, etc.

fix: docker work directory

relax contribution req

ci fix git

change release to v*

get.arg.sh redirect