v1.0.4

• Add support for Python 3.14.
• Relax dependency version constraints:
  • Change Pandas from 2.2.3 to >= 2.2.0
  • Change SimPy from 4.1.1 to >= 3.0
  • Change PyYAML from 6.0.2 to >= 5.1
  • Change JsonSchema from 4.22.0 to >= 4.0.0
• Add tox configuration for multi-Python testing.