Merge pull request #46 from somdoron/master

Add Exception Handling
Update README.md
Update README.md
Merge pull request #47 from somdoron/master

Refactoring of the Higher Level implementation to be like clrzmq and czmq.
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Merge branch 'master' of https://github.com/somdoron/netmq
Fixed a bug in the tcp connector causing exceptions and too may file descriptor