ENH : add SPEPatternFilepathHandler
ENH : add SPEPatternFilepathHandler

Handler for dealing with templated file paths

stuwilkins/filestore,ericdill/databroker,danielballan/filestore,tacaswell/filestore,stuwilkins/filestore,NSLS-II/filestore,danielballan/filestore,ericdill/fileStore,ericdill/databroker,ericdill/fileStore