Add scan and window primops
Fix failure to promote functions with multi-line bodies from atom to scalar
Expand debug info in Remora array application
Add small statistics and signal processing kernels
Start outlining documentation for Racket embedding
Fix apply/shape
Only allow one expr in def body (implicit begin wasn't really useful here)
Document syntax for producing and binding arrays
Allow (array)/(vec)/[] to produce length 0 vector (shape [0])
Fix handling of boxes in aggregate case; some code deduplication in apply-rem-array
Docs for rackmora functions and function application
Clean up hyperlinks in rackmora docs, identify them to pkg system