v7.0.5: Bug fixes for pickle, threading, unflatten and consistency

🔴 Bug fixes

• Fix issue #98: Fix syntax error in CPickle import.
• Fix issue #102: Fix bug that could make HashEmbed results inconsistent across runs.
• Fix issue #104: Fix unflatten padding when last element is empty.
• Fix issue #97: Pickling error on LinearModel.
• Fix issue with creating Model instances in child threads with operator overloading.

👥 Contributors

Thanks to @giannisdaras, @simonhkswan, @chssch and @svlandeg for the pull requests and contributions.