Merge pull request #730 from be-red/call

Call for Red, Linux and Windows implementation
Merge pull request #731 from be-red/call

FIX: Win.call didn't wait for end with /input
FEAT: wish #504 granted (Macro identifier is not processed in paths)
FIX: platform-dependent PRIN functions renamed to avoid infinite recursion on macros resolution after the above change.
DOCS: correct typo in Red/System Spec
DOCS: Update quick-test docs
Merge branch 'wish-504'
TESTS: Sample tests for 'call
TESTS: fixed error in example call-test.reds
TEST: call tests for Linux