Add client entity class headers.

* Remove 'isreplay' from player_info_s.

Signed-off-by: aixxe <me@aixxe.net>

include/cstrike/Classes/IHandleEntity.h

@@ -0,0 +1,8 @@
+#pragma once
+
+class IHandleEntity {
+	public:
+		virtual ~IHandleEntity() {};
+		virtual void SetRefEHandle(const CBaseHandle& Handle) = 0;
+		virtual const CBaseHandle& GetRefEHandle() const = 0;
+};