xively Library does not compile in Arduino 1.6.5

[TheTechnoGuy]

The library does not compile using Arduino 1.6.5. I count 9 warnings and 2 errors.
Here is output from the compiler.

In file included from C:\Users\username\Documents\Arduino\libraries\xively/Xively.h:2:0,
from XivelyTutorial.ino:8:
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h: In member function 'char XivelyDatastream::idChar(int)':
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:43:90: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
return (_idType == DATASTREAM_STRING ? _idString[idx] : (idx > strlen(_idBuffer._buffer) ? '\0' : _idBuffer._buffer[idx]));
^

In file included from C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:1:0:
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h: In member function 'char XivelyDatastream::idChar(int)':
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:43:90: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
return (_idType == DATASTREAM_STRING ? _idString[idx] : (idx > strlen(_idBuffer._buffer) ? '\0' : _idBuffer._buffer[idx]));
^

C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h: In constructor 'XivelyDatastream::XivelyDatastream(String&, int)':
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:52:6: warning: 'XivelyDatastream::_valueType' will be initialized after [-Wreorder]
int _valueType;
^

C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:50:9: warning: 'String XivelyDatastream::_idString' [-Wreorder]
String _idString;
^

C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:5:1: warning: when initialized here [-Wreorder]
XivelyDatastream::XivelyDatastream(String& aId, int aType)
^

In file included from C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:1:0:
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h: In constructor 'XivelyDatastream::XivelyDatastream(char*, int, int)':
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:52:6: warning: 'XivelyDatastream::_valueType' will be initialized after [-Wreorder]
int _valueType;
^

C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:50:9: warning: 'String XivelyDatastream::_idString' [-Wreorder]
String _idString;
^

C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:10:1: warning: when initialized here [-Wreorder]
XivelyDatastream::XivelyDatastream(char* aIdBuffer, int aIdBufferSize, int aType)
^

In file included from C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:1:0:
C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp: In member function 'int XivelyDatastream::updateValue(Stream&)':
C:\Users\username\Documents\Arduino\libraries\xively/XivelyDatastream.h:7:27: error: jump to case label [-fpermissive]

define DATASTREAM_STRING 0

^

C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:42:7: note: in expansion of macro 'DATASTREAM_STRING'
case DATASTREAM_STRING:
^

C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:38:7: error: crosses initialization of 'int len'
int len = aStream.readBytesUntil('\n', _value._valueBuffer._buffer, _value._valueBuffer._bufferSize);
^

C:\Users\username\Documents\Arduino\libraries\xively\XivelyDatastream.cpp:54:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^

Error compiling.