first implementation
add options, skip directories, refactor CLI
refactor, add -H and -h options
add -L and -l options, comment
add -e option, document options
refactor, hoeify

--HG--
rename : xpgrep.rb => bin/xpgrep
assign rubyforge project
document --extract, add --html option
prep release 0.2.0
Added tag 0.1.0 for changeset f147b378e605
Added tag 0.2.0 for changeset 94d17ce116d5
Merge branch 'master' of github.com:CraigCottingham/xpgrep