fixed IIcon and IIconRegister imports
fixed getIcon
changed color code from decimal to hex for readability
fixed subItem
fixed findSubItem
fixed getItemDisplayName
fixed IIcon and IIconRegister imports
fixed getSubItems
renamed getItemDisplayName to getItemStackDisplayName in accordance with updated standards
renamed getContainerItemStack to getContainerItem in accordance with updated standards
fixed constructor
fixed refreshConnection
fixed IResourceManager import