Updated fields MCStackfile.stackname and MCStackfile.filename of Stack Object
Updates for Stack Object fields and methods
Fixed conflicts for merging upstream/refactor-syntax_unicode into refactor-syntax_unicode_Stack
Fixed conflicts to merge upstream/refactor-syntax_unicode into this branch
Fixed some errors after the merge. It has still some in libfoundation/src/foundation-string.cpp
Updates after feedback #1 on this branch
Merged in runrev/refactor-syntax_unicode into this branch. It compiles on Mac desktop (builds successfully and a window asking for login details pops up, but after this I am not sure what happens
Merge branch 'refactor-syntax_unicode_Stack' of https://github.com/runrevpanos/livecode into refactor-syntax_unicode_stack
[[ UnicodifyStack ]] Ensured stackfiles, filename, title and titlestring are initialized to kMCEmptyString.
[[ UnicodifyStack ]] Changed unicodeLabel of stack to BinaryString.
[[ UnicodifyStack ]] Simplified title read/load code.
[[ UnicodifyStack ]] Updated signature of MCScreenDC::setname to use MCStringRef on all platforms.