Interp tests
HB done
HB done

hb input plus fortran format

Completed Harwell Boeing input and FORTRAN format parser

Fixes issue #237.

Array#to_nm previous required the NMatrix shape to be given. However,
NMatrix#to_a would return a sequence of nested Arrays. This patch allows an
NMatrix to be converted into an Array, then back to an NMatrix.

Array#shape method is now fulfilled via Proc

About to start interp planning

Started with linear interp

Started with linear interp

Some org changes

Started with lin interp

Almost done with tests for 1D interp

Finished writing tests