[change] renamed openAny -> open, minor tweaks
[fix] added assert on text handling (ensure if three nodes are sufficient)
[change] session will use the package of same name
[change] discarded session's per argument package feature
[refactor] Renamed confusing session.runtime to session.script
[fixed] removed 'win32/' prefix from AppConfig.locate() env variables
[update] roadmap & changelog
[change] Make mem-pool configurable via app.cfg, removed obsolete codes