Added teams.py and seasons.py

[killuazoldyckreal]

Added Two new Classes Team and Season and some misc helper classes in misc.py

Major Improvements:

• Improved Match class and added various subclasses inside misc.py
• Series.seasons returns list of Season objects
• Series.matches | Season.series.matches returns list of all matches as Match objects
• Series.current_matches returns list of all ongoing matches as Match objects
• Season.teams | Series.current_season.teams returns list of all participating teams as Team objects
• Team.match returns ongoing match as Match object