Merge branch 'testing'

eodbc 0.0.3

amplcsv: add AMPLs fopen and fclose to FileHandler in order to fix is…

…sue with Visual Studio

Upgrade amplxl version to 0.1.9

amplxl - 0.1.8

Update amplxl version to 0.1.7

Fix to handle sparse data when writting 2D tables

Update tests with full precision

Append row to spreadsheet table if the keys are not present in inout …

…mode.