Fix build warnings for Clang and MSVC#197

Merged

pantor merged 4 commits intopantor:masterfrom WimLeflere:fix-build-warnings

May 20, 2021

+13-8

Commits on May 20, 2021

remove unnecessary semicolons on function definitions
Wim Leflere
committed
add virtual destructor to base class
Wim Leflere
committed
fix possible loss of data warning for double to int conversion with explicit cast
Wim Leflere
committed
ignore Visual Studio build folder
Wim Leflere
committed