Changelog

Additions

Added support for Python 3.7
Discontinued support for Python 3.4 and 3.5
Added type hints for public API via stub files (PEP 484)
Revamped documentation
- New sidebar
- New main page
- Summaries in API documentation
- New layout of class attributes in API documentation
- Function signatues of C-extension functions are shown
- Documentation of decorated functions are correctly shown
- Cross references in tutorial
- Tutorial output is dynamically generated using sphinx-gallery
Specified version number for dependencies
Created environment.yaml for convenient creation of a development
environment in conda
Improvements to structure.CellList
- Improved perfromance
- get_atoms() and get_atoms_in_cells() can be used in a vectorized
  manner (replacing efficient mode)
- get_atoms() and get_atoms_in_cells() have optional as_mask parameter
- Added create_adjacency_matrix() method
Added hydrogen bond detection (structure.hbond())
Missing element names in structure.io.pdb.PDBFile are automatically
inferred (Gromacs support)
Added support for Gromacs' .gro file format (structure.io.gro).
Color schemes can bes loaded from custom files
File objects can read/write from/to a file object
Temporary files automastically generate a file name
STDOUT adn STDERR are accessible from application.Application runs

Changes in Enum types
- sequence.Location.Strand is an Enum
- sequence.Location.Defect is a Flag
- structure.BondType is an Enum
- application.AppState is a Flag
Usage of f-strings for exception messages (and some other places)
res_id is read from auth_seq_id instead of label_seq_id in mmCIF files