REFACTOR: for pak 0.10 and expansive 0.4.3

Remove paks that can run from cache like me-docstyle
UPGRADE: mpr and http

Improvements for http JSON configuration parsing
MPR fixes for socket reuse
DOC: API fixes.
REFACTOR: Make removeArrayElements => ejsRemoveItems.
FIX: JSON serialization putting trailing comma after deleted properties.
FIX: String replace with multiple patterns.
REFACTOR: doc included less files.
REFACTOR: Path.files to handle negated patterns progressively.