Removed useless dummy db configuration
Fix README: insert example

ID column must be present in all cases.
@see http://sphinxsearch.com/docs/2.2.2/sphinxql-insert.html
Readme coveralls.io badge fixed
Merge branch 'develop' of github.com:ripaclub/sphinxsearch into develop
Added float test
Merge branch 'develop' of https://github.com/ripaclub/sphinxsearch.git into develop
Added ExpressionDecorator in order to fix float troubles
Readme fix
Merge branch 'develop' of github.com:ripaclub/sphinxsearch into develop
Tests for order and group with compound name. Close #12.
Added ExpressionDecorator construct
Merge branch 'develop' of https://github.com/ripaclub/sphinxsearch.git into develop
Tests refactored
Update README.md - Fix #17

Fix #17
Merge branch 'develop' of github.com:ripaclub/sphinxsearch into develop
Test for process expression method of Select class
Testing
processExpression tests fixed
Fixed README.md
Added full support for single precision float numbers.
This solution fixes #13