got 0.88

- tog: always use alternate charset for vertical/horizontal line
- several tog regression test suite improvements
- run the tog tests as part of the default regress set
- tog: resize log view if toggling fullscreen from child view
- when finding changed paths iterate tree entries in on-disk order for speed
- cache fulltext data in delta cache to improve speed with long delta chains
- gotwebd: fix logic error in gotweb_render_index