FIX: compiler was not generating correct code for literal pair! values creation in blocks.
FIX: pair! set-path access was not picking the value to be set correctly.
FEAT: routine! spec block now accepts [any-type!] as a datatype specification.
FIX: MAKE action for pair! now accept an integer! or a block of two integers as spec value.
FIX: word lookups in blocks using a path accessor were not working properly.