Tifffile

- Write IFDs and tag values on word boundaries.
- Read ScanImage metadata.
- Remove is_rgb and is_indexed attributes from TiffFile.
- Create files used by doctests.

- Read Zeiss SEM metadata.
- Read OME-TIFF with invalid references to external files.
- Rewrite C LZW decoder (5x faster).
- Read corrupted LSM files missing EOI code in LZW stream.

- Add option to append images to existing TIFF files.
- Read files without pages.
- Read S-FEG and Helios NanoLab tags created by FEI software.
- Allow saving Color Filter Array (CFA) images.
- Add info functions returning more information about TiffFile and TiffPage.
- Add option to read specific pages only.
- Remove maxpages argument (breaking).
- Remove test_tifffile function.

- Improve detection of ImageJ hyperstacks.
- Read TVIPS metadata created by EM-MENU (by Marco Oster).
- Add option to disable using OME-XML metadata.
- Allow non-integer range attributes in modulo tags (by Stuart Berg).

- Do not always memmap contiguous data in page series.

- Add option to specify resolution unit.
- Write grayscale images with extra samples when planarconfig is specified.
- Do not write RGB color images with 2 samples.
- Reorder TiffWriter.save keyword arguments (breaking).