Added darkenColor()
Allow negative values in the data
New CurveGraph class
Corrected doc string
Optimized _findFileIDs for very large queries
Possibility to reverse labels
Bug fix
Updated to run full test series
Allow specification of ranges of X and Y values
Possibility to define ranges of X and Y values in the plot
Added support for SSHOAR
Added getReplicasByMetadata() interface
Return SE definitions instead of PFNs where applicable to reduce the
amount of data to transfer
Added getSEPrefixes()
findFilesByMetadata() can also return fileID-LFN dictionary
Added getReplicasByMetadata(), optimized getDirectoryReplicas()
Deal with the reduced output of various getReplicasXXX() service queries
Merge pull request #1644 from atsareg/fix-v6r10

Several additions and optimizations
 v6r10-pre5
v6r10-pre5