Leave the product search screen open while importing products into the product list

Add the ability to import multiple products through multiple searches when searching database and store. Currently, you can search once, and import anything in that search window, then confirm and the window closes, then you must start a fresh search. Reasoning: this is a small thing, but Measure Premier is full of small time sinks that really really really add up over the course of a single project. Eliminating inconveniences will only bridge the gap in speed between using Measure Premier for estimating vs. doing it with a ruler and a calculator.