Updated range on gridfieldextensions

[mak001]

• Nothing really changed between 1.5 and 2.0
• 2.0 is needed for new versions of userforms

[codecov]

Codecov Report

Merging #125 into 1.0 will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              1.0     #125   +/-   ##
=======================================
  Coverage   70.39%   70.39%           
=======================================
  Files           2        2           
  Lines         152      152           
=======================================
  Hits          107      107           
  Misses         45       45

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