handle error properly in prepareTo - fix #26, fix #28
handle error properly in prepareTo - fix #26, fix #28

ScriptRock/pq,bugreplaydev/pq,StabbyCutyou/pq,ld9999999999/pqpooling,flynn/pq,VividCortex/pq,jnewmano/pq,jnewmano/pq,everalbum/pq,uhoh-itsmaciek/pq,ympons/pq,ympons/pq,henrylee2cn/pq,dongzerun/pq,johto/pq,stvp/pq,springning/pq,sammi/pq,bugreplaydev/pq,lib/pq,bmizerany/pq,beni55/pq,erichnascimento/pq,amaniak/pq,c9s/pq,cbandy/go-pq,calebthompson/pq