replaced version-specific imports with glob, in case a new version of a particular library is released
Changes DIST= to export DIST= so the value is carried over to the other build files.
Merge pull request #455 from shatterednirvana/glob-for-lxml

Replaced version-specific imports with glob
Merge pull request #456 from EnbitIT/testing

Changes DIST= to export DIST= so the value is carried over