query counter middleware to count number of database queries on each call for better debugging on APIs

[Execut3]

two features added:

1- Query Counter Middleware to count queries on each call of django for better debuggings. it will show a table of read, write and .. query results in console so you can have a fast understanding on how many call is made on each django request call
2- price_beautifier method

[coveralls]

Coverage decreased (-13.8%) to 62.015% when pulling e47879b on Execut3:master into 35a42fe on timsavage:master.

[timsavage]

Thank you for the PR request, can you please ensure that all comments follow the same style as the rest of the package.

Please also add test cases and update documentation.

Thanks

[Execut3]

appreciate your comments. Yes of course will add the parts you mentioned and will send request again.