Merge tag '0.8.0' into develop

v0.8.0
Merge branch 'master' into develop
Merge branch 'master' into develop
Updated docs
Getting ready for 1.0
Reduce size of label
Ignore all .ipynb files
Make delay handle schedulers with integer time
Use local time in test
Added docstring
Added pygame scheduler
Added pygame chess example
Fixed docstring
Cleanup
Merge
Fixed bug with overloading of subscribe method
Removed print
Make delay handle both timedeltas and integers
Removed logging, added title ...
Fix to handle time as both datetime and ints