Fix writing of array2d to matrix market. Resolves issue #94.
Fix writing of array2d to matrix market. Resolves issue #94.

gshashidhar125/cusp-library,gshashidhar125/cusp-library,vkirangoud/cusp-library,victordion/cusp-library,baiyunping333/cusp-library,victordion/cusp-library,vkirangoud/cusp-library,vkirangoud/cusp-library,baiyunping333/cusp-library,tectronics/cusp-library,vkirangoud/cusp-library,baiyunping333/cusp-library,tectronics/cusp-library,gshashidhar125/cusp-library,victordion/cusp-library,tectronics/cusp-library,victordion/cusp-library,baiyunping333/cusp-library,gshashidhar125/cusp-library,tectronics/cusp-library