Fix compilation on old gcc 

Merge branch 'master' of https://github.com/ragnar-lodbrok/meow-sql 

Merge branch 'master' of https://github.com/ragnar-lodbrok/meow-sql 

Merge branch 'develop' 

Merge branch 'master' of https://github.com/ragnar-lodbrok/meow-sql 

Version 0.4.7 

0.4.6 

0.4.5 

Add refreshing table data context menu item ragnar-lodbrok#54 

release 4.3.0; update inno setup file for inno 6