Increment the version number to 0.9.3
Increment the version number to 0.9.3

vitaly-krugl/pika,jstnlef/pika,zixiliuyue/pika,hugoxia/pika,vrtsystems/pika,shinji-s/pika,Zephor5/pika,skftn/pika,knowsis/pika,fkarb/pika-python3,pika/pika,benjamin9999/pika,renshawbay/pika-python3,reddec/pika,Tarsbot/pika