Too much uncommitted work
Start working on constraints. Not even close to being useful yet
Support optional left argument in function definitions
Parse 1 2 3⊢4 5 6 correctly
Skip empty lines in parseprog
Print a little less whitespace when displaying functions
Work on parsing and evaluation
Work on error trapping/handling
Add a few checks around function calls
Tweaks to filesystem for LPA values
Only list symbols which have a value
Do some work on functions
Use eval() to parse constants
Start working on an evaluator
Add back debug print of AST
Better printing of array values