Bunch of fixes for Windows.

src/main.cpp

@@ -38,7 +38,7 @@ int main(int argc, char** argv) {
         workingDirectory = args::get(workingDirFlag);
     }
     if (!workingDirectory.empty()) {
-        chdir(std::filesystem::path(workingDirectory).c_str());
+        chdir((const char*)std::filesystem::path(workingDirectory).c_str());
     }
 
     std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();