Clairmeta

Features
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* Check that encrypted SMPTE DCP are digitally signed
* Check EclairColor DCP for correct metadata and ContentTitle

Fixes
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* Crash when checking subtitles files with no subtitle

Changes
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* Foreign files now throw a warning instead of an error

Fixes
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* Digital Signature check failure for CPL/PKL without namespace prefixes
* DCSubtitles schema too strict for ReelNumber (can contains characters)

Changes
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* Command line interface now returns non zero code in case of check failure (see 21 for details)
* Remove Mime type based checks (see 23 for details)
* VOLINDEX schema is no longuer checked for Interop DCP

Fixes
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* README typo and phrasing
* Crash on certain cases where DCP contains hidden XML files
* Crash when CPL has not been relinked to an existing PKL (now correctly returns an error)
* Crash on some malformed ASSETMAP / PKL with an empty asset list

Changes
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* XML digital signature check should be more robust
* Mime type related check should be more robust
* Adaptation of mediainfo output interpretation to work with latest versions

Features
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* pipenv development environment (use pipenv install --dev)
* Dolby Vision additional check (maximum bitrate and metadata presence inside CPL)
* Specials FrameRate checking (Archival, HFR Series 2)

Fixes
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* Improve over maximum bitrate error message
* Improve DSM / DCDM error message
* Interop Subtitles various TimeCode formats interpretation
* Metadata check could fail for floating point values (AspectRatio, ..)
* Digital Signature check failure on some CPL / PKL with unusual prefixes
* DCP probing tool could fail when hidden XML files were presents
* DCP probing tool could fail for CPL missing certains fields
* DCP probing tool could fail on CPL fields containing attributes
* DCP probing tool could fail on CPL badly formatted ScreenAspectRatio field

Changes
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* DCP parsing additional CPL keys for Picture and Sound presence
* Unit test suite import, require external test materials to be published
* DCP with EditRate superior or equal to 48 are considered as HFR (previously based on DCI bitrate thresholds)
* DCP MXF assets Labels Metadata coherence check (against package schema) is now a warning (previously an error)
* DCP sound format and expected channel count coherence check is now a warning (previously an error)

Features
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* ContentTitle fields extraction (from naming convention)
* ClosedCaption asset track extraction
* Warning for CPL external assets (VF)
* PNG Subtitles check for Interop
* New API functionnality :
* MXF asset probe is now optional (speedup)
* Check profile load / save
* List all check (with individual description)
* Hash progress report callback

Fixes
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* Hidden files check false positives when using relative path
* Subtitles inspection multiple crash
* Subtitles Font Spacing element XSD validation (Interop)
* OV/VF link check no longuer stop on first error
* Metadata comparaison for floating point number
* Redondant hashing for multi PKL DCP
* Digital signature for XML with dsig prefix
* Dolby Vision tag extraction (from naming convention)

Changes
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* Foreign file report use relative paths
* PKL assets MIME type check deactivated (not stable)
* DCNC package type check deactivated (don't work for multi CPL package yet)
* X509 certificate validation adjustements
* Adjust various check criticity

Features
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* Debian packaging for Ubuntu artful

Fixes
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* Use latest xmltodict version
* Fix subtitle font check error on some system