Fix a typo.
Add imosh::internal::set.
Change the header of imosh.
Update imosh.
Refactor 20-color.sh and move it to 10-variable/color.sh.
Update imosh.
Kill 20-child-processes.sh because it is not used.
Update imosh.
Rename imosh::internal::set to func::strcpy.
Add func::escapeshellarg.
Replace imosh::shell_escape with func::escapeshellarg.
Add a test for func::let.
Add func::intval.
Add func::floatval, func::str_replace and func::strval.
Add func::isset.
Add func::bin2hex, func::print and func::println.
Use func::bin2hex instead of php::bin2hex.
Update usage for func::*.
Remove php::array_map.
Add func::(r|l|)trim.