Todd Gamblin 4bde771970 Fix for SPACK-39: Concretization was too restrictive. ... - concretize_version() now Use satisfies(), not intersection. - version class updated with better intersection/union commands - version now 1.6 "contains" 1.6.5 - added test for new version functionality - remove none_high and none_low classes - version module is now self-contained; save for external 2.7 functools.total_ordering for 2.6 compatibility.		2014-10-07 23:22:45 -07:00
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spack	Fix for SPACK-39: Concretization was too restrictive.	2014-10-07 23:22:45 -07:00