fix(data): read UsesSecondaryWeapon correctly

feat(data): add skill attack type, uses secondary weapon and element

feat(data): add equipment and item type

fix(nosfiles): correct MpCost position in nosfiles

feat(data): make monster level ushort

fix(data): correctly assign parsed translations into dictionary

Merge pull request #22 from Rutherther/data

Add NosTale data information

fix(data): fix parsing file names and

feat(data): add .nos files parsing support