c-cn: typo
Fix some misleading comments
Merge pull request #533 from Olwaro/csharp_fix

[csharp/en] Fixes some misleading comments
Merge pull request #530 from weakish/patch-10

c-cn: typo
generators & decorators
fix section number
Merge pull request #534 from papaloizouc/master

python generators & decorators
Adds an example of 'using' statement
Fixes typos
Merge pull request #535 from Olwaro/loan_pattern

[csharp/en] Adds example of 'using' statement for resources handling