ref #590 -- force __toString to return a string
ref #590 -- force __toString to return a string

xavivars/timber,mojaray2k/timber,aaemnnosttv/timber,mojaray2k/timber,josephbergdoll/timber,gbarberi/timber,aaemnnosttv/timber,ogrosko/timber,mgmartel/timber,jarednova/timber,rpkoller/timber,PrisisForks/timber,rpkoller/timber,gchtr/timber,josephbergdoll/timber,aprendiendoando/timber,timber/timber,aprendiendoando/timber,jarednova/timber,timber/timber,blocher/timber,anugupta/timber,PrisisForks/timber,Jmayhak/timber,gbarberi/timber,rpkoller/timber,jnweaver/timber,josephbergdoll/timber,jnweaver/timber,pensesmart/timber,jarednova/timber,anugupta/timber,pensesmart/timber,pensesmart/timber,anugupta/timber,Jmayhak/timber,xavivars/timber,gchtr/timber,mgmartel/timber,mojaray2k/timber,gbarberi/timber,ogrosko/timber,gchtr/timber,ogrosko/timber,aprendiendoando/timber,xavivars/timber,aaemnnosttv/timber,jnweaver/timber,blocher/timber,mgmartel/timber,Jmayhak/timber,PrisisForks/timber,blocher/timber