Merge branch 'feature/language_coverage' into 'develop'

src/language/PEGGrammar.hpp

src/language/ast/ASTBuilder.cpp

src/language/node_processor/AffectationProcessor.hpp

src/language/node_processor/BuiltinFunctionProcessor.hpp

src/language/node_processor/DoWhileProcessor.hpp

src/language/node_processor/ForProcessor.hpp

src/language/node_processor/FunctionArgumentConverter.hpp

src/language/node_processor/IfProcessor.hpp

src/language/node_processor/WhileProcessor.hpp

src/language/utils/DataVariant.hpp

src/language/utils/SymbolTable.hpp

src/utils/Types.hpp

tests/CMakeLists.txt

tests/test_ASTBuilder.cpp

tests/test_ASTSymbolInitializationChecker.cpp

tests/test_AffectationToTupleProcessor.cpp

tests/test_DataVariant.cpp

tests/test_FunctionArgumentConverter.cpp

tests/test_IfProcessor.cpp

tests/test_ParseError.cpp