Jesse Rosenstock

Bugfix: load: Don't set inport

Here's a new version with less special case code.

OP_ROUND: Use nearbyint

num_rem, num_mod: Fix bug with flonum args

OP_DIV: Allow zero divisor

Read and display +inf.0, -inf.0, +nan.0, -nan.0

mk_atom: set has_fp_exp

truncate: Use C99 trunc