update script tests after conversion to Python
update pa-url command to check version of endpoint
update dependent service urls
remove generated files from version control
added logging to server and more documentation
add tests for pa-getprobanno and pa-getrxnprobs commands
switch to supported shock client
convert data parser functions to class to enable different search programs
add --sort optional argument to pa-getrxnprobs
set better usearch accel parameter, improve error reporting and logging