Fix radiation fluids placing bug.

Signed-off-by: yushijinhun <yushijinhun@gmail.com>
Fix radioactivity fluids dispensing bug.

Signed-off-by: yushijinhun <yushijinhun@gmail.com>
remove test code
Fix consume undue elements.

Signed-off-by: yushijinhun <yushijinhun@gmail.com>
Fix items only will explode when a player nearby.
Spend up name -> molecule/element finding.
Merge pull request #377 from yushijinhun/fix-bugs

 Fix radioactivity fluids placing and dispensing bug.