Added example (plot submissions stats)
Fixed error handling.
Ignore egg-info folder
Added new common package codeforces
Merge branch 'dev' into examples
Package api moved to codeforces package
Added __init__.py to codeforces package
Merge branch 'dev' into examples
Removed redundant package level in imports
Removed redundant package level in imports
Merge branch 'dev' into examples
Renamed file
Made data parameter optional
Added __repr__ method
Merge branch 'dev' into examples
Added setup.py
Merge branch 'dev' into examples