update bitshares-php with 7 typos

A BitShare is a stake in what we like to call a decentralized autonomous company and Invictus has many innovative blockchains on our roadmap. ----> roadmap should be road map.

ProtoShare" is a registered trademark of Site9, Inc. for its prototyping and mockup software product, ProtoShare. ---> mockup should be mock-up

The pool combines the power of all connected nodes and pays you proportionally for your sharerate. ----> sharerate should be share rate

Pay Per Share http://ypool.net - 6% fee, multicoin pool, ... ----> multicoin is not a word (Multicoin is a coin i believe), multiple coin or maybe dash between the two words

Blockchain explorer - View transactions by pts adress ----> adress should be address + capitalize pts

added a period after authentication