After pip install requests, frl can be showed,
when we use virtualenv to install gnuhealth-client, gnuhealth plugins's installation
for frl, I have faced a bug:
Whan I click "search" buttom multi times, for search same string,
the results will show multi same result. for example:
A question is that: frl is so importent, is it possible code it as
a gnuhealth module instead of gnuhealth plugin?