Colonyscanalyser

Added
- Savitzky–Golay filtering for curve fitting and plotting
Fixed
- Removed leftover debugging message

Added
- An `align` subpackage containing image alignment functionality
- Image alignment verification and correction before processing images
- Command line arguments to adjust image alignment strategy and tolerance
Changed
- Growth curves now use a windowed median which should help to smooth the curve
Fixed
- Various warnings emitted when running the tests

Changed
- Updated and improved IdentifiedCollection, now backed by a Dictionary for easier lookup
Fixed
- Images are now correctly converted when creating image animations, fixing buffer errors

Changed
- Removes the temporary fix used when identifying plate centres

Fixed
- RGB images are correctly handled during colour mode conversion

Added
- Utilize multiprocessing for grouping and filtering `Timepoint`s to Colonies
- `silent` command line argument to prevent output to console
- `animation` command line argument to output
- New class function, from_path, for building an ImageFileCollection
Changed
- Improved plot labels/legends
- `plots` command line argument replaced with `no-plots` switch
- `multiprocessing` command line argument replaced with `single-process` switch
- Reworked command line arguments, using simplified switches for boolean arguments
- Reworked command line arguments to follow GNU conventions
- Refactored `main` module
- Improve access model and remove forward typing
Fixed
- Ensure image files are converted to RGB