Modify TemplateParser to reduce parser scope.

Template file to parse regions outside [# and #] as FixedString
not LiteralString

FixedString to match ##nnn...  not ##n
Fix issue #3: regions not bounded by [# #] are altered
improve FixedString Parser: fix issue 4
bump version in prep for source dependancy in product-collections
merge fixed for embeddedTemplate & issue 4 fixedString Parser