5.30

Removed the used intrinsic because it is redundant with the length
intrinsic.

5.29

Put the invocation of garbage collector back into check_args() for
better performance.

5.28

Cleaned-up the parser code.
Removed invocation of garbage collector from evaluate_body() and
check_args().

5.27

Removed the gc and gc_freq intrinsics.

5.26

Corrected bug that incorrectly reported number of items in tables.

5.25

Tuned internal settings for speed.

5.24

Changed hash function for tables.

5.23

Added file2string intrinsic. 
Made join more efficient.
