Import RC2 cipher
Support additional options for ciphers
Exclude non-HTML part of the mail
Improve encoding detection logic
Remove listener after handling is finished
Improve detection of XecureExpress module
Add support for 국세청
Start using xeit-3.1.2 branch of CryptoJS submodule
Merge pull request #19 from tomyun/esero

국세청 세금계산서 지원 추가
Merge pull request #18 from kkung/master

미래에셋생명 보안메일 지원 추가
Add description for 미래에셋생명
Add credit for kkung
Shorten bookmarklet script
Improve detection of XecureExpress module for Chrome extension
Fix replacing last occurrence of HTML closing tag