ENH: Implemented getAffix() for Weapon and Armor classes
ENH: Changed include policy in Character class
ENH: Minor changes
ENH: Defined an enum class for weapon types
ADD: Weapon attributes
ADD: Weight attribute to Item class
ADD: Armor types and slots
ADD: Initialized gear, weapon and bag in Character class
ADD: Functions to retrieve weapon attributes (including affixes)
ADD: Basic Character classes
Merge branch 'develop' of https://github.com/FClad/cpp_game into develop