Updated README with documentation links.
Reorganized code to support multi-processing (backport from v0.3.x).
Merge branch 'v0.2.x' of https://github.com/overridelogic/elderberries into v0.2.x
Added signals and memory cleanup on SIGINT in server (fixes #20).
Added memory cleanup to IPC client (fixes #21).
Added ability to specify multiple segments to print when querying (fixes #22).
Removed debug code.
Fixed compiler warning (-Wformat).
Fixed memory errors (fixes #24).
Fixed various memleaks.
Added install target to Makefile.
Added ranges as possible argument to -p (fixes #25).
Added UFLAGS to CFLAGS for user compile flags.
Added an error message when doing an invalid IPC request (fixes #23).
Added valgrind core dumps to git ignore list.
Removed debug code.
Reorganized code to support multi-processing.
Added stat to proxy_data_stack_t to query the stack status.
Added MPM support, with non-blocking IO module (fixes #6).
Removed extraneous include.