Merge branch 'develop' into feature/projection

doc/lisp/share/pugs.el

doc/userdoc.org

src/algebra/SmallMatrix.hpp

src/algebra/SmallVector.hpp

src/algebra/TinyVector.hpp

src/algebra/Vector.hpp

src/language/PEGGrammar.hpp

src/language/ast/ASTBuilder.cpp

src/language/ast/ASTNodeDataTypeBuilder.cpp

src/language/ast/ASTNodeDataTypeFlattener.cpp

src/language/ast/ASTNodeExpressionBuilder.cpp

src/language/ast/ASTNodeFunctionExpressionBuilder.cpp

src/language/ast/ASTNodeListAffectationExpressionBuilder.cpp

src/language/ast/ASTNodeListAffectationExpressionBuilder.hpp

src/language/ast/ASTSymbolTableBuilder.cpp

src/language/modules/MeshModule.cpp

src/language/modules/MeshModule.hpp

src/language/modules/WriterModule.cpp

src/language/node_processor/AffectationProcessor.hpp

src/language/node_processor/FunctionArgumentConverter.hpp