Loosen the constraints for requirements

This helps finding the right packages for older Python versions.

Author: Cito

setup.py

@@ -15,11 +15,11 @@
     'waitress>=2,<3', 'hupper>=1.10,<2',
 ]
 requireDocs = [
-    'Sphinx>=4.4,<5', 'sphinx_rtd_theme>=1'
+    'Sphinx>=4.3,<5', 'sphinx_rtd_theme>=1'
 ]
 requireExamples = [
     'DBUtils>=3,<4', 'dominate>=2.6,<3', 'yattag>=1.14,<2',
-    'Pygments>=2.11,<3', 'Pillow>=9,<10'
+    'Pygments>=2.11,<3', 'Pillow>=8,<10'
 ]
 requireTests = [
     'psutil>=5.9,<6', 'flake8>=4,<5', 'pylint>=2.12,<3', 'tox>=3.24,<4',