Added

Core

• Basic support for vectors and matrices
• Algebraic simplification during evaluation
• Infrastructure for evaluating functions
• Macro-based function dispatch system
• New built-in functions:
  • and
  • det
  • factorial
  • is_prime
  • nth_prime
  • prime_pi

REPL

• Persistent input history
• Multi-line editing mode
• Syntax highlighting for input and output
• Highlighting of matching brackets in input

Fixed

Core

• Type inflation in parser
• Exponential blowup in parser

REPL

• Error on empty input