Added new MonoHelpers header containing mono_array_set_addr_with_size macro.
Fix: Possible null-pointer crash when sending parameter mismatch warning.
Removed IMonoArray::GetItemString, was never used. Prefer (mono::string)GetItem(i) instead.
Array wrapper: Added m_elementSize member to have mover control over mono_array_addr_with_size.
CScriptClass::GetMonoMethod parameter mismatch; clarified warnings.