Log Message:
Update to 0.27:

0.27 (2015/05/30)
* fix --enable-debug and --enable-werror
* add unit tests
* new command: "searchplay" searches and plays songs from the current \ 
playlist
* fix use-after-free bug
* new command: "searchadd" works like findadd with non-exact matching
* improved error handling
* show directories in command "tab"
* bash completion: escape '&'
* add %mtime% and %mdate% to --format
* recognize command by unambiguous prefix
* "insert" queues new songs when "random" mode is enabled