v0.3.4: Don't require opencv-python if opencv is already installed (#110)

This will allow us to get rid of py-opencv-python in our Spack
deployment

v0.3.3

Added

• Add the "download image" command (#97)

Changed

• Remove pandas and responses from requirements (#90)
• Restrict to click>=8 (#92)
• Restructure the CLI (#96)

v0.3.2

Added

• The atldld search img command #85
• More examples of CLI commands in README #80
• The atldld search dataset command #84
• The atldld dataset download command #79

Changed

• Refactored the CLI module #83

v0.3.1

Added

• Add badges and instructions for PyPI #32
• Minimal implementation of download_dataset_parallel #40
• Add the atldld/__main__.py file #43
• Add the RMA requests module #42
• Add the atldld dataset preview command #66
• Add xy_to_pir computed locally #71
• Add description, long_description, license, and classifiers to setup.py #76

Changed

• Cleanup DisplacementField #31
• Improve get_image #59
• Change order of matrix multiplications + other optimizations #62
• Customizable cache folder #73
• Cache responses of xy_to_pir_API_single #75

Removed

• Remove warp_rs9 #39
• Refactor the sync.py module #56

v0.3.0

Added

• Add CI #6
• Add mypy #15
• Add a CLI #16
• Add documentation #19
• Add a banner #30
• Upload documentation to RTD #29

v0.2.2

Changed

• Change package name from atlutils to atldld #1