WaterSum 1.0.13 - "Free Trial" analysis patch

Hot on the heels of version 1.0.12 comes 1.0.13. This release includes a fix to a reported problem where the analysis function did not work in "Free Trial" mode. While many other software packages offer free trial with limited functionality, WaterSums provides a free trial with full functionality - except when we make embarrassing mistakes like this one! At WaterSums, we pride ourselves on being responsive in fixing problems, so if you come across a problem with your WaterSums software, please report it through the contact form.