clean up some pylint issues
add start/end command line arguments - other minor bug fixes
add support for simple paged searches
add srch1plots
bug fixes
add command line arguments for remote hosts, ports, binddns, bindpwds
add support for attaching to an already running slapd process
read addresses - attach to running process

Can read the output of using ubacktrace() with just addresses - uses
addr2line to convert the address to a file+line numbers - depends
on having access to the debuginfo objects - for some offsets, depends on
being able to read the /proc/pid/maps of the running process to determine
where the symbols are loaded into memory in order to convert the addresses
to the correct shared object and then into file+line using addr2line
put hyphen at end of char class