replace "context" with "describe"
Thre#reses become able to have which reses to extract. e.g. Thre#reses([1,2,3])
bug fix: don't use true or not
Refactoring: more simple
Update (README|UPDATES).md, version
Refactoring: remove unused codes.
Bugfix: Res#contents may returns nil when self is not changed by String#strip!
Refactoring: code format
Add function: 被レス Thre#received_anchors, Res#received_anchors
use Array#find_all instead of Array#select. (because of my preference)
Update docs
Update: (README|UPDATES).md
Merge pull request #1 from dogwood008/release_candidate

Release v.0.1.2