Fix some default keymaps
Merge pull request #181 from rhysd/patch-1

Fixed some default keymaps in README.
SetQuery updates caret position. So should use stored value.
Merge pull request #182 from peco/fix-deletebackwardchar

SetQuery updates caret position. So should use stored value.
version++; this is v0.2.7
Fix regression for caret drawing
fix DoDeleteForwardChar
Merge pull request #183 from peco/fix_delete_forward_char

Fix delete forward char
Fix doDeleteForwardWord
Dynamically change the check function depending on rune at current position
Fix doDeleteBackwardWord
Properly set caret position
Merge pull request #184 from peco/fix_delete_forward_word

Fix doDeleteForwardWord
version++; this is v0.2.8