Created "Scalar" API document and moved methods out of the main Functions document into there.
Created "Scalar" API document and moved methods out of the main Functions document into there.

git-svn-id: 53605643c415f7495558be95614cf14171f1db78@12817 c213334d-75ef-0310-aa23-eaa082d1ae64

prammer/specs,tokuhirom/specs,prammer/specs,tokuhirom/specs,tokuhirom/specs,prammer/specs,perl6/specs,perl6/specs