Switch to filename,variable,slice,slice,... syntax

o The fie,var[slice,slice,...] syntax required escaping the [ ] brackets
o Opting to use comma seperators
Added handlers for 1D interactive

o "q' to close (same as 2D)
o Status message for 1D
Record singleton coordinates in plot
Avoided use of variable.getncattr()

o Found that variables read with MFDataset did not support the
getncattr() method