Merge branch 'feature/error-handling' into 'develop'

src/language/PugsParser.cpp

src/language/ast/ASTBacktrace.cpp

src/language/ast/ASTBacktrace.hpp

src/language/ast/ASTBuilder.cpp

src/language/ast/ASTNode.cpp

src/language/ast/ASTNode.hpp

src/language/ast/CMakeLists.txt

...anguage/node_processor/ASTNodeExpressionListProcessor.hpp

src/language/node_processor/ASTNodeListProcessor.hpp

src/language/node_processor/AffectationProcessor.hpp

src/language/node_processor/ArraySubscriptProcessor.hpp

src/language/node_processor/BinaryExpressionProcessor.hpp

src/language/node_processor/BreakProcessor.hpp

src/language/node_processor/BuiltinFunctionProcessor.hpp

src/language/node_processor/ConcatExpressionProcessor.hpp

src/language/node_processor/ContinueProcessor.hpp

src/language/node_processor/DoWhileProcessor.hpp

src/language/node_processor/FakeProcessor.hpp

src/language/node_processor/ForProcessor.hpp

src/language/node_processor/FunctionProcessor.hpp