Checking http header returned from server for mime type. Removed unnecessary if clause. Turned on -O2 in CMakeLists.txt
Added needed dependencies for Fedora.
Refined options description and added the usage section to the README
Fixed overview links in README
Queries are now reusing url_clients, which means an already open connection can be reused which increases performance. Also options now support multiple arguments.
Fixed typo in README
Fixed another typo...
Simple refactoring to make code more appealing.
Refactoring and removed useless empty  destructors
Merge pull request #2 from stnuessl/master

Merge