Fix: issue #871 (handling with get-path! in compiler)
Merge pull request #872 from Oldes/fix-871

FIX: issue #871 (handling with get-path! in compiler)
FIX: issue #873 (PARSE string! INSERT doesn't insert issue!)
DOCS: Sample of to matrix content
FIX: issue #876 (Newly used words are recognized as datatype!)
Merge branch 'master' of github.com:red/red
DOCS: added action! to to matrix
FIX: issue #880 (SWITCH passed as argument crashes on ARM)

Now `emit-push` is using r3 register for pushing integer literals on stack, avoiding r0 content corruption when holding an expression result. (e.g. when pushing typed records on stack)
Merge branch 'master' of github.com:red/red
DOCS: minor change to to-matirx.html
DOCS: resolve conflict
Merge remote-tracking branch 'upstream/master'