add bodystructure information
Merge pull request #60 from whiteout-io/master

add bodystructure information
Added SEARCH support
bumped version to 1.1.44
git merged a35670e from whiteout-io
fix bodystructure parser for text/*, ignore message/rfc822
bumped version to 1.1.45
Added listMessagesByUID
fix readme docs fir listMessagesByUID
Merge pull request #7 from andris9/master

上游合并