Changeset 187

Fixed/implemented:

* #187: When map algebra expression is used with Convert NetCDF 2D Variable to ArcGIS Raster, it crashes with "NameError?: global name 're' is not defined"
* #188: Scatterplot Matrix for ArcGIS Table tool causes ArcGIS to raise a C++ Exception when the Fields list is not empty and the table is a point feature class
* #189: BinaryRaster?.ToArcGISRaster should delete the temporary .asc file it creates, to improve performance
* #190: Evaluate R Statements tools should pass dates to R as POSIXct objects
* #191: Evaluate R Statements tools should pass Python None (or database NULL) as the R special value NA ("not available")
* #192: Evaluate R Statements tools do not load ArcGIS TEXT fields as into data frames
* #193: "Process ArcGIS table" and "find and process" style methods produced by BatchProcessing?.GenerateForMethod? do not return derived parameters
* #194: BatchProcessing?._GenerateProcessArcGISTableMethod does not set allowedFieldTypes correctly
* #195: The outputTable result parameter for "process ArcGIS table" style batch processing methods has the wrong description
* #196: ToCoastWatchHDFArcGISTable and FindAndConvertToCoastWatchHDFs should return values
* #197: All methods that have derived output parameters should include arcGISParameterDependencies in their metadata

This will be released as MGET 0.5a4.