Since the results package has seen "stable" use for quite a while now,
it's as good time a time as any to release 1.0 and migrate it out of
stew, thus signalling API stability of some sort.
Part of that "stabilization" is underway in the nim-results [issue
tracker](https://github.com/arnetheduck/nim-results/issues/30).
* random helpers
* arrayops as a home for small array/openArray utilities
* assign2 - a replacement for genericAssign and assignment operators in
general which in nim are very slow
* use assign2 in a few places to speed things up
* fixes
* fixes