Fix all outstanding objects that failed the object property tests

[ShoobyDoo]

Since the overhaul to the testing functionality, its become very easy to identify objects that need some additional work. This task will be dedicated to all outstanding issues that are still present and will be the final task to complete the 1.4.0 milestone.

[ShoobyDoo]

Objects that need to amended while being built due to new properties:

• Spell (add cooldown_burn_float)

• Skin (add champion_id, release_date)

• Champion (add partype)

• ~~ChampionStats (add id, game_length_second: int, inhibitor_kills: int, sight_wards_bought_in_game: int, vision_wards_bought_in_game: int, vision_score: int, wards_placed: int, wards_killed: int, heal: int, time_ccing_others: int, op_score: int, is_max_in_team_op_score: int, physical_damage_taken: int, damage_dealt_to_champions: int, physical_damage_dealt_to_champions: int, magic_damage_dealt_to_champions: int, damage_dealt_to_objectives: int, damage_dealt_to_turrets: int, damage_self_mitigated: int, max_largest_multi_kill: int, max_largest_critical_strike: int, max_largest_killing_spree: int, snowball_throws: int, snowball_hits: int)~~

• Season (add rank_entries)

• SeasonInfo