slices recognize step value
assignment slices recognize step value
added support for 2d row slices, not yet working
added row slice support for 2D sequence references
added column slice support for 2D sequence references
added 2D slice support for 2D sequence references
fixed right section issue with - by disallowing it (same as in Haskell)
added Matrix_arithmetic RosettaCode task
changed 'forever' to 'for'
added Generator/Exponential RosettaCode task
fixed Fibonacci_sequence RosettaCode task
fixed i and j imaginary units to -predef-
added Pascal%27s_triangle RosettaCode task
added some built-in character functions
fixed 'args', added character and stdin() functions to -predef-
added Rot-13 RosettaCode task
added Pi RosettaCode task
re-implemented sum() natively - much faster
added Narcissistic_decimal_number RosettaCode task
added 'return' statement