[Strings] Add more number formatters (#2873)

* [Strings] Add more number formatters

# Notes
- Adds `Strings::ToUnsignedInt` for `uint32` support.
- Adds `Strings::ToBigInt` for `int64` support.
- Adds `Strings::ToUnsignedBigInt` for `uint64` support.
- Adds `Strings::ToFloat` for `float` support.
- Replaces all `std::stoi` references with `Strings::ToInt`.
- Replaces all `atoi` references with `Strings::ToInt`.
- Replaces all `std::stoul` references with `Strings::ToUnsignedInt`.
- Replaces all `atoul` references with `Strings::ToUnsignedInt`.
- Replaces all `std::stoll` references with `Strings::ToBigInt`.
- Replaces all `atoll` references with `Strings::ToBigInt`.
- Replaces all `std::stoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `atoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `std::stof` references with `Strings::ToFloat`.

* [Strings] Add more number formatters

- Adds `Strings::ToUnsignedInt` for `uint32` support.
- Adds `Strings::ToBigInt` for `int64` support.
- Adds `Strings::ToUnsignedBigInt` for `uint64` support.
- Adds `Strings::ToFloat` for `float` support.
- Replaces all `std::stoi` references with `Strings::ToInt`.
- Replaces all `atoi` references with `Strings::ToInt`.
- Replaces all `std::stoul` references with `Strings::ToUnsignedInt`.
- Replaces all `atoul` references with `Strings::ToUnsignedInt`.
- Replaces all `std::stoll` references with `Strings::ToBigInt`.
- Replaces all `atoll` references with `Strings::ToBigInt`.
- Replaces all `std::stoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `atoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `std::stof` references with `Strings::ToFloat`.

* Rebase cleanup

* Changes/benchmarks/tests

---------

Co-authored-by: Akkadius <akkadius1@gmail.com>

zone/gm_commands/setpvppoints.cpp

@@ -13,7 +13,7 @@ void command_setpvppoints(Client *c, const Seperator *sep)
 		target = c->GetTarget()->CastToClient();
 	}
 
-	uint32 pvp_points = static_cast<uint32>(std::min(std::stoull(sep->arg[1]), (unsigned long long) 2000000000));
+	uint32 pvp_points = static_cast<uint32>(std::min(Strings::ToUnsignedBigInt(sep->arg[1]), (uint64) 2000000000));
 	target->SetPVPPoints(pvp_points);
 	target->Save();
 	target->SendPVPStats();