Changed tooltip wrapping to have a fixed indent of 4 and adjusted wrap to 80 characters to match upstream wrapping.

Upstream wrapping seems to have changed recently which is disrupting
the wrapping to have in the tooltips.
Merge pull request #377 from 7sharp9/tooltipwrapfix

Changed tooltip wrapping to have a fixed indent of 4 and adjusted wrap to 80 characters to match upstream wrapping.