Operators for SIE
Merge remote-tracking branch 'upstream/master'
syncing
Merge remote-tracking branch 'upstream/master'
More stable LowRankFun

I caught this with
    u = LowRankFun((x,y)->
sqrt(1-x^2)*sqrt(1-y^2),JacobiWeightSpace(.5,.5,[-1.,1.]),JacobiWeightSp
ace(.5,.5,[-1.,1.]),40,40;maxrank=1)
different LowRankFun fix
Merge pull request #48 from MikaelSlevinsky/master

More SIE ops and fix for LowRankFun