Regenerate gemspec for version 1.13.1
Regenerate gemspec for version 1.13.1

RobertRehberg/roo,pricematch/roo-legacy,stevendaniels/roo,visagio/roo,malept/roo,xchanging-mm4/roo,pricematch/roo-legacy,pricematch/roo-legacy,roo-rb/roo,airblade/roo,culturecode/roo,maruware/roo,fabien-michel/roo,pabloh/roo,salsify/roo,enemycnt/roo,thotmx/roo,reshleman/roo,myplaceonline/roo