Renamed some of Get() methods to Find(), read more

From now on, ideally any function with "get" in the name should always
return a valid value. A function with "find" in the name, however, does
the same thing, but may also return an invalid result such as an error
code.

server/accounts/account_manager.cpp

@@ -234,7 +234,7 @@ void AccountManager::UnloadIf(std::function<bool(std::pair<const int, AccountDat
 //Define the accessors and mutators
 //-------------------------
 
-AccountData* AccountManager::Get(int uid) {
+AccountData* AccountManager::Find(int uid) {
 	std::map<int, AccountData>::iterator it = elementMap.find(uid);
 
 	if (it == elementMap.end()) {

server/accounts/account_manager.hpp

@@ -42,7 +42,7 @@ public:
 	void UnloadIf(std::function<bool(std::pair<const int, AccountData const&>)> fn);
 
 	//accessors and mutators
-	AccountData* Get(int uid);
+	AccountData* Find(int uid);
 	int GetLoadedCount();
 	int GetTotalCount();
 	std::map<int, AccountData>* GetContainer();