WIP: Strings as array of characters implementation
Merge branch 'master' into strings
Fix symbol name dumping
Fix several newly introduced bugs in the migration to mutable strings
Some string conversions in error reporting
Remove temporary code
(SETF CHAR) and move string related code to string.lisp
Some string tests
Merge branch 'master' into mutable-strings
Non-recursive !reduce
Remove duplicated string conversion
Merge branch 'master' into mutable-strings

Conflicts:
	src/compiler.lisp
	src/toplevel.lisp
Merge branch 'master' into mutable-strings
Disable test temporarily