modify TODO

add option "-a": not output functions' args

add stack depth filter

add TODO and start developing level filter

fix some typos

upgrade README.md

support -e option: print info when exit function

misc

add files for autotools

rename ftrace to uftrace and remake autotools files

support filter option -f, print non-matching output

support file name and line no. output (import from ftrace-0.90)

bugfix for file output

fix a typo

bugfix for -T option