update readme - new release

Add 'get_plane' functionality (Arcadia-Science#23)

update readme for 0.5.2

Update version numbers, update readme

Update readme, version 0.5.0

Fix documentation for LifImage.scale (Arcadia-Science#15)

Update to 0.4.0 - adding mosaic support

Update to support mosaic lif images

Github CI support by: Johanan Idicula

Raise NotImplementedError when loading tiled images (Arcadia-Science#8)

Added NotImplementedError for tiled images

Update for 16-bit images (Arcadia-Science#6)

* Add support for 16-bit images

* Updated readme, added api documentation

Update tracisCI