* [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>
# Perl
- Add `$npc->GetKeepsSoldItems()`.
- Add `$npc->SetKeepsSoldItems(keeps_sold_items)`.
# Lua
- Add `npc:GetKeepsSoldItems()`.
- Add `npc:SetKeepsSoldItems(keeps_sold_items)`.
# Notes
- Allows operators to keep specific NPCs from keeping items sold to them.
- Keeps NPCs from being cluttered with stuff like Cloth Caps, Bone Chips, etc.
* [Rules] Add Rule to Disable NPC Last Names.
- Add NPC:DisableLastNames to disable NPC Last Names.
- Fix #npcedit lastname to allow you to use an empty string.
* Cleanup of classes in naming.
* Duplicate.
* Update classes.cpp
* Implement NPC per second regen
* Add hp_regen_per_second to ModifyNPCStat
* Take per second regen the rest of the way
* Add #npcedit hp_regen_per_second
* Add db migration
