Core: Reworked hashes

-Removed HashDigest class (replaced by ByteArray)
-Removed Hashable/Hash classes (replaced by ComputeHash function and
Hashable template struct)
-Fixed ByteArray operator<<
-Renamed File::GetHash to File::ComputeHash


Former-commit-id: cc5eaf2d4c88a556878190b8205e66713512e2d2

src/Nazara/Core/String.cpp

@@ -5,7 +5,6 @@
 ///TODO: Réécrire une bonne partie des algorithmes employés (Relu jusqu'à 3538)
 
 #include <Nazara/Core/String.hpp>
-#include <Nazara/Core/AbstractHash.hpp>
 #include <Nazara/Core/Config.hpp>
 #include <Nazara/Core/Error.hpp>
 #include <Nazara/Core/Unicode.hpp>
@@ -4203,13 +4202,6 @@ namespace Nz
 		}
 	}
 
-	bool String::FillHash(AbstractHash* hash) const
-	{
-		hash->Append(reinterpret_cast<const UInt8*>(GetConstBuffer()), GetSize());
-
-		return true;
-	}
-
 	const std::shared_ptr<String::SharedString>& String::GetEmptyString()
 	{
 		static auto emptyString = std::make_shared<SharedString>();