several minor fixes
several minor fixes

fireeye/flare-ida,Ye-Yong-Chi/flare-ida,nihilus/flare-ida,jhsmith/flare-ida,andyvand/flare-ida-1,CaledoniaProject/flare-ida,williballenthin/flare-ida,meilinxiaoxue/flare-ida,chubbymaggie/flare-ida,kakkojc/flare-ida