- marked reserved class members as private for gtk-doc
- marked reserved class members private for gtk-doc
- marked reserved class fields private for gtk-doc
- added a simple clear-by-size test
- updated 3.11 news a bit
- fixed botched indexing in gwy_nield_clear_by_size()
- fixed creating tmeporary mask for pseudo-Wiener filter using the wrong template field
- fixed a couple of places where column and row were swapped in PSF calculations