Rename Assert.hpp --> Ensure.hpp, style fixes.

src/Collections/Dictionary.hpp

@@ -1,6 +1,6 @@
 #ifndef ARBUTILS_DICTIONARY_HPP
 #define ARBUTILS_DICTIONARY_HPP
-#include "../Assert.hpp"
+#include "../Ensure.hpp"
 
 namespace ArbUt {
     /// @brief Wrapper around unordered_map, allowing safer access and adding several helper methods.