diag to go go from DiagonalInterlaceOPerator back to list of ops
Merge pull request #37 from MikaelSlevinsky/master

Floquet example from Chebfun and Basic support for SIE
Pass tests in 0.4 without extra packages
remove export of plot
Removed export plot, and updated examples
Added Fun(f,Circle)
Fixed dotu
Started ReImSpace
real/imag operator
Merge branch 'master' of https://github.com/dlfivefifty/ApproxFun.jl
Changed diag to blkdiag
Added DropSpace
reenabled blkdiag
Recognize 2d fun syntax
Padding hack so dropspace has working 2d itransform