Removed using namespace directive for class member function definitions in source files

src/main.cpp

@@ -3,14 +3,12 @@
 
 #include "Application.hpp"
 
-using namespace Bloom;
-
 int main(int argc, char* argv[]) {
     auto arguments = std::vector<std::string>();
     if (argc > 1) {
         arguments.assign(argv + 1, argv + argc);
     }
 
-    auto application = Application();
+    auto application = Bloom::Application();
     return application.run(arguments);
 }