Version 0 0 244 499: Create pkg⍙encode_version function. Change semantics of pkg⍙⍙version_component_limits such that the upper bound is inclusive. Extend the range of the second, third and fourth version components. Create pkg⍙compare_version function; eliminate '__fake__' path hack in pkg⍙check_apl. Check for GNU APL 1.4 (any fix version) as a minimum version.