Rename refactoring
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FormulaInterpreter: Improved readability and parsing errors
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Added tests for VariableBricks. Simplified test of Variables. Added one helper function for converting a string to double. Modified ChangeVariableBrick and ProjectDaemon.
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FormulaInterpreter: DoubleTap
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Added missing translation
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FormulaInterpreter: Tests
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Merge TFS Changeset 1225