Fixed bugs:

• (math mt-random) sometimes raised an error. #31
• `random-source-state-set! didn't restore the prng state. #32
• read-line didn't compliant what R7RS requires. #33
• SRFI-42 implementation was not up to date. #36

Improvements:

• sash now accepts -A, -Y and -F option to append load path, dynamic load path or library suffix.
• uri-encode now encodes with capital letter by default.

New features:

• Treemap library (util treemap) has been added.
• Queue library (util queue) has been added.
• Deque library (util deque) has been added.
• subtype? has been added to (clos user) and (clos core).

New documents: - (util hashtables) has been documented.