Twitter Streaming Api Versions Save

• require PHP 8 + use improved dependancy (#30)

• allow PHP 8

• fix compatiblity with PHP 7.2 by requiring a specifc version of the phirehose dependency

• add ability to track tweets based on location

• add checkFilterPredicates

• add setLocale

• add ability to follow a user's tweets using setFollow()

initial release

• experimental release

• experimental release