chore: remove refs to deprecated io/ioutil (#899)

Signed-off-by: guoguangwu <guoguangwug@gmail.com>

Ignore keywords when part of a variable name (#887)

Fixes #886

clang: Add verbose flag to show the direct clang invocation (#882)

coding conventions and spelling fixes. (#881)

TestTrigraph -> TestTriGraph
TestMultifileTranspilation -> TestMultiFileTranspilation
subfolders -> sub folders

Add UnaryExprOrTypeTraitExpr first child types to transpiler (#871)

* Support UnaryExprOrTypeTraitExpr->CStyleCastExpr
* Support UnaryExprOrTypeTraitExpr->ConditionalOperator
* Support UnaryExprOrTypeTraitExpr->BinaryOperator
* Support UnaryExprOrTypeTraitExpr->IntegerLiteral
* Support UnaryExprOrTypeTraitExpr->StringLiteral

Fixes #784
Fixes #868
Fixes #869
Fixes #870
Fixes #823

Support NRVO in VarDecl regex (#872)

Fixes #802

Handle wide-character string literals in regex (#867)

Does not add support for wide-character strings per se, only for parsing the clang AST without crashing.

Fixes #866

Only generate init when there are startup lines (#865)

Fixes #864

Handle optional extra field in warn_unused_result (#863)

Fixes #861

Handle IsLiteralLabel in AsmLabelAttr (#862)

Fixes #860