Allow modules. Do not use temp file.

Include -fmodules switch to allow @import Foundation (or others).

Use bash pipe from subshell so no filtered temp file is needed.

Use awk to better parse the shebang (it doesn't need to be followed by a slash, for example).
Merge pull request #2 from drodriguez/patch-1

Allow modules. Do not use temp file.
Merge https://github.com/iljaiwas/objc-run

Fixed conflicts objc-run.