MULE-7277 Refactor for improved performance by using simple VariableResolverFactory implementations with less use of HashMaps
MULE-7277 Continue to use SafeReflective for now
Use methods rather than field access.
Fix code style
Merge pull request #383 from mulesoft/mel-performance

MULE-7277 Refactor for improved performance by using simple VariableReso...