Rename declarations in view of variable grammar declaration changes

src/utils/CastArray.hpp

tests/mpi_test_Messenger.cpp

tests/test_ASTBuilder.cpp

tests/test_ASTDotPrinter.cpp

tests/test_ASTNodeAffectationExpressionBuilder.cpp

tests/test_ASTNodeBinaryOperatorExpressionBuilder.cpp

tests/test_ASTNodeCFunctionExpressionBuilder.cpp

tests/test_ASTNodeDataTypeBuilder.cpp

tests/test_ASTNodeDataTypeFlattener.cpp

tests/test_ASTNodeDeclarationToAffectationConverter.cpp

tests/test_ASTNodeEmptyBlockCleaner.cpp

tests/test_ASTNodeExpressionBuilder.cpp

tests/test_ASTNodeFunctionEvaluationExpressionBuilder.cpp

tests/test_ASTNodeFunctionExpressionBuilder.cpp

tests/test_ASTNodeIncDecExpressionBuilder.cpp

tests/test_ASTNodeListAffectationExpressionBuilder.cpp

tests/test_ASTNodeListProcessor.cpp

tests/test_ASTNodeTypeCleaner.cpp

tests/test_ASTNodeUnaryOperatorExpressionBuilder.cpp

tests/test_ASTPrinter.cpp