Update dota2py/api.py

Edited get_match_history to correctly include account_id.
Merge pull request #2 from Silvester23/patch-1

Update dota2py/api.py
Improve docstring, remove unused import
Add sublime-text files to gitignore
get_steamid API and functional tests
Functional tests for match history
Test for get_match_details
Add some extra game data for future use
Add get_match_history_by_sequence_num
Decode JSON from APIs and update tests/documentation
Add get_heroes API
Automatically generate Twisted API equivalents
Add APIs for leagues
Add languate to requests
Defaultly load API_KEY from environment variable
Updated heroes JSON
Packaging improvements
Fix file read mode
Updated protobuf files
Unicode fixes