Fix a braino

caught by @wryk++
fix typo -> re(s)pository pattern
Merge pull request #793 from m90/csharp-typo

[c#/en] fix typo
[python/en] Removed unnecessary plus signs in bool operators section
[python/en] Adding exponentiation operator
Corrected as per @iirelu's comment
Gosh, what happened to me today?( Fixed the left bracket
Merge pull request #796 from Oire/python-exp

[python/en] Adding exponentiation operator
Merge pull request #795 from marvelousNinja/plus_signs_in_python

[python/en] Removed unnecessary plus signs in bool operators section