Migrated BarneaTest, VecSuite.
data subproject migrated.
Refactoring in progress (Scenario terms and Party elements).
Restored Scenario, Party and representation matrices, term parsing.
Refactored Corr, Expr, VecParser.
Restored lifting, reordering, and small stuff.
Restored core and its tests.
Moved Lifting, Reordering and Affine into new operation subproject.

Started adding relevant GroupAction.
Refactored Reordering into algebraic typeclasses.
Restored VecLexicoSeq + minor fixes.
Fixed small bugs.
Started restoring minimal lexicographic representative functionality.
Followed LazyGroup refactoring.
Restored parts of Partition.
Near restoration of Partition.
Restored Partition.
Restored all of operation, including search of local/ns bounds, search of symmetric forms.
Corrected bug when parsing constant terms.
Test case and bugfix for parsing off-by-one error.
Restored rest of code after core/operation refactoring.

bexp should be refactored as well.
Clarified RelabelingLike typeclasses to GenericRelabeling typeclasses.
Changed method name asGenericRelabeling to toGeneric, to match Reordering.

Added actions and extractors on BellExpression.