spearating operator and function expressions.
Merge branch 'master' of https://github.com/LEMS/jLEMS
Propagating dimensions into state types with a new method,
StateWrapper.getDimensionString() that returns the dimensionality as a
comma-separated string containing the dimension powers "m,l,t,i,k,n,j"
Ensuring all examples have attribute dimension in DerivedVariable
Merge branch 'statedimensions' into api

* statedimensions:
  Ensuring all examples have attribute dimension in DerivedVariable
  Propagating dimensions into state types with a new method,
StateWrapper.getDimensionString() that returns the dimensionality as a
comma-separated string containing the dimension powers "m,l,t,i,k,n,j"
  spearating operator and function expressions.

Conflicts:
	src/main/java/org/lemsml/jlems/core/run/RuntimeRecorder.java