WIP, PlainObject with Context before removal of Context.
Removed Context from data framework.
Restored all Decomposition/Transform/Product objects.
Restored database.
HTTP compendium.
Algorithms for expressions.
Restored isFacet in BellExpressionAlg.
Corrected typos in isFacet.
Support pour décomposition et formes remarquables.
Added isIdentity to BellPermutationLike.
Started work on canonicalization.
Moved most tools for Transform in their place.
Changed keywords to Set[String].
Moved rules into own package.
Restored random ReverseTransform and OrientationExtractor.
WIP on elements decomposition.
To and from CanonicalExpression.
Added helpers isSomething to Expr and BellExpression.
Added FileCompendium.
Elements extraction.
Bug in IOLIftedExtractor.
Enabled computation of products, and corrected small bug in computeBellExpressionProduct.
Support for Finite in GenericBellPermutation.
Fixed bug in decompostion seriazliation.
Bumped version number.
Renamed ReverseTransform to OppositeTransform.
ListMap return type in Plain.