Vectors

[Mercerenies]

• [X] Vector data type (2a9ca48)
• [X] Custom printing for vectors (74f468b)
• [X] Custom parsing for vectors (6576daf)
• [ ] Incomplete objects (see also #12)
• [X] Vector arithmetic (addition, scalar multiplication, scalar division)
• [ ] Mathematical vector functions (dot product, cross product, etc.)
• [ ] Helper vector functions (extractors, etc.)

[Mercerenies]

Note: Vectors are represented in the language as expressions of the form vector(...). We'll provide custom printing and parsing syntax which desugars [...] to vector(...)

[Mercerenies]

Vector arithmetic completed in 5e7dceb..0e5b0d6