changestr, changech, changestrall, changechall api change fix
added method TStr::GetStr
Merge branch 'TStr' of https://github.com/qminer/qminer into TStr
Merge pull request #94 from lstopar/TStr

added method TStr::GetStr
Merge pull request #95 from rupnikj/TStr

T str
Merge branch 'TStr' of github.com:qminer/qminer into TStr