Version 4.0.0
- getResidue in mmcif::Structure now requires both a
  sequence ID and an auth sequence ID. As a result the code was cleaned
  up considerably.

Version 3.0.5
- mmcif::Structure redesign. It is now a wrapper around a cif::Datablock.

Version 3.0.4
- Fix in mmCIF parser, now correctly handles the unquoted
  string ??

Version 3.0.3
- Better configuration checks, for atomic e.g.
- Fixed a problem introduced in refactoring mmcif::Atom
- Version string creation

Version 3.0.2
- refactored mmcif::Atom for performance reasons

Version 3.0.1
- Fixed processing of proline restraints file from CCP4, proline
  is a peptide, really.
- Added code to facilitate DSSP

Version 3.0.0
- Replaced many strings in the API with string_view for
  performance reasons.
- Upgraded mmcif::Structure
- various other small fixes

Version 2.0.5
- Backporting updated CMakeLists.txt file

Version 2.0.4
- Reverted a too strict test when reading cif files.

Version 2.0.3
- Fixed reading mmCIF files where model numbers are used and
  model number 1 is missing.

Version 2.0.2
- Added configuration flag to disable downloading CCD data during build
  Note that there are now two flags for CCD data:
  DOWNLOAD_CCD to enable downloading during build
  INSTALL_UPDATE_SCRIPT to install an update mechanism for this file
- Updated unit tests to work even if no CCD data is available

Version 2.0.1
- Fixed the generator for the symmetry operator table

Version 2.0.0
- New API interface for accessing query results
- Removed bzip2 support
- improved makefiles

Version 1.1.1
- Now with full support for MS Windows

Version 1.1.0
- Changed from GNU configure to CMake.
- Loading compound information from CCD file

Version 1.0.1
- Changed the way resources are looked up, local dir first,
  then /var/cache and finally compiled in resources (with mrc).

Version 1.0.0
- First public release
