adding pycoder's weekly to resources

Didn't know this was a section here. 
Fixed Spelling Issue
Merge pull request #247 from myusuf3/patch-1

adding pycoder's weekly to resources
Merge pull request #248 from rhyselsmore/develop

Fixed Spelling Issue
minor typos in style.rst
minor typo in reading.rst
minor typo in documentation.rst
minor typos
minor typo
added further reading in structure.rst
modified structure.rst
added an url about scientific python in resource
fixed an typo
Merge pull request #250 from gurpinars/master

added some websites for reading
Merge pull request #249 from barisumog/master

minor typos and omitted words
Merge pull request #243 from lambdadi/master

Suggest improved introduction to Style/#Idioms