[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/itemsearch.cpp

@@ -13,7 +13,7 @@ void command_itemsearch(Client *c, const Seperator *sep)
 		linker.SetLinkType(EQ::saylink::SayLinkItemData);
 
 		if (Seperator::IsNumber(search_criteria)) {
-			item = database.GetItem(atoi(search_criteria));
+			item = database.GetItem(Strings::ToInt(search_criteria));
 			if (item) {
 				linker.SetItemData(item);
 				std::string item_id          = std::to_string(item->ID);