0.1 - Initial release
1.0 - Bug fixes for issues seen in 0.1
Support for downloading viewer library from behind proxy server
Fixes for annoying bugs:
Error seen when unloading any non-crayfish layer.
Layer not automatically redrawn when changing contour
settings.
Improved contour options behaviour.
Made contours optional.
Last rendered dataset now remembered (instead of always
defaulting to bed elevation).
Removed unnessisary warning messages.
Fixed stacked widget in vector options (min/max line edits
not displayed properly).
Updated styles in about page.
Better handling of errors when loading layers.
Fixed memory leaks.
Fixed issue when datasets other than the first loaded do
not behave as expected.
Ensured only a single vector options dialog can be opened.
Added better support for handing allocation errors for huge
layers.
