Increase gen_server:call timeout for piqi_tools
Increase gen_server:call timeout for piqi_tools

Converting of multi-megabyte objects may take longer than 1 second. Increase the
timeout to 5 seconds for now. Probably need to make it configurable and track it
inside the gen_server.

Motiejus/piqi-deb,alavrik/piqi,Motiejus/piqi-deb,alavrik/piqi,Motiejus/piqi-deb,alavrik/piqi,Motiejus/piqi-deb