Added context managers to flow control module
In iterators module: moved protocol to advanced block. Added list and dict comprehension and generators
Merged from master with last pull request

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Added functional programming and iterables tools
State that modules are most basic unit of code organization
State that modules are most basic unit of code organization
Added __name__ and better explanations of inheritance
Added static and class method to Classes module
Merge pull request #3 from pablito56/minorchanges

Major update