Add symbol where needed
Refactor "rename" to use the SymbolKind for operators
isFixableIdentifier is should not take a SymbolKind
Rename "Rename" module in "IdentifierUtils"
Merge pull request #575 from forki/Rename

Make the Rename dialog use parsed Symbol
SourceCodeClassifier marks as Unused redundant open declarations
SourceCodeClassifier checks open declarations in nested modules for redundancy

add tests
add SourceCodeClassifier.getLongIdents function
refactor colorizer tests
continue rewriting Colorizer tests