exhaustive test of String#trim behavior
test of incorrect String#trim behavior on U+0085
Make shimmed ArrayIterator private.

Closes #252
Merge pull request #254 from DylanLukes/master

Exhaustive test of String#trim behavior (Closes #253)
Fix broken Strimg#trim implementations, exposed by #254.
Merge pull request #255 from cscott/gh-252

Make shimmed ArrayIterator private.
v0.12.0