Fixed docs
Fix query string problem #2078 with CListView and CGridView when enableHistory=true
Small changes in docs
Merge pull request #2079 from Parpaing/2078-fix-for-CListView-and-CGridView-query-string-bug

Fix query string problem with CListView and CGridView
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Merge pull request #2067 from Ragazzo/CDbCommand-dropTable-createTable-fix

Fixed docs for createTable and dropTable methods
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