add two abstract classes for handling strings and numbers as results
fix concurrency issue while shutting down the looper
remove local and remote adapter impls
add processing of initial commands (echo off, protocol, etc)
fix another concurrency shutdown issue
add debug statement to capture system time ms after receiving a response
change to while (running) pattern
tryout handling of SEARCHING and STOPPED
fix command parsing issues. chars were not read correct
fix a NPE when there were no measurements.
disable initial wait for 25 seconds.
merge tryout branch