[pull] master from image-rs:master #7
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![pull[bot]](https://avatars.githubusercontent.com/in/12910?s=60&v=4){kind=small}
Refactor Reader implementation
Add option to ignore Adler32 checksum in ZlibStream, set ignore as default
Faster decompression of non-fdeflate encoded PNGs
Release 0.17.8-rc and call for testing
Release 0.17.8
Add rust-version to Cargo.toml
Improve unfilter() performance
Without this fix the icc profile would usually be empty
Release 0.17.9
More refactoring
Release 0.17.16
`Reader.read_row` is an alternative to `Reader.next_row`. * `Reader.next_row` is convenient when the caller doesn't want to manage their own buffer, and doesn't mind having extended borrows on `Reader` to accommodate `Row` data. * OTOH the new `Reader.read_row` avoids an extra copy in some scanarios which may lead to better runtime performance - see the benchmark results below. The commit results in the followin performance gains seen in the recently introduced `row-by-row/128x128-4k-idat` benchmark: time: [-16.414% -16.196% -15.969%] (p = 0.00 < 0.05) time: [-15.570% -15.218% -14.856%] (p = 0.00 < 0.05) time: [-16.101% -15.864% -15.629%] (p = 0.00 < 0.05)
Minor documentation fixes
…may regress performance on Windows
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