Add extended geometry types for Point as expected by EWKB standard

[gbroccolo]

The following PR takes care of adding the support for the following Extended geometries for point type: PointZ (3D), PointM (2D+1D), PointZM (3D+1D), PointS (2D + SRID info), PointZS (3D + SRID info), PointMS (2D+1D + SRID info), PointZMS (3D+1D + SRID info). This is related to issue #16 . Still need to add support for all the other extended geometries (i.e. the same work needed for linestring, etc.).

[coveralls]

Pull Request Test Coverage Report for Build 489

• 126 of 126 (100.0%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.5%) to 55.463%

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Totals
Change from base Build 487:	0.5%
Covered Lines:	6254
Relevant Lines:	11276

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💛 - Coveralls

[gdey]

This looks really good. I think we should move forward in this direction. Only thing I saw, was to keep the name of the testcase array consistent with tests. Overall this look great!

Thanks

[gdey]

@gbroccolo I'm assuming you are going to be adding the other types to this pull request, as well.

[ARolek]

@gdey

I'm assuming you are going to be adding the other types to this pull request, as well.

Which additional types are you referring to?

[gbroccolo]

@gbroccolo I'm assuming you are going to be adding the other types to this pull request, as well.

Yes @gdey, I can continue to push changes to this PR. Let me change the title then (it refers just to Point data type) and change it to be a Draft more then a PR.

@ARolek the additional types are the extentions for Linestring, Polygons, etc.

[ARolek]

@gdey we could merge in the extended point types now and then @gbroccolo could work on extending the other types. Having extended point types is already a win and a logic commit. I don't want this PR to get too big or blocked by additional enhancements. Thoughts?

@gbroccolo thanks again for tackling this!

[gdey]

I'm good with merging this.
@gbroccolo you will need to remove the draft tag on the pull request.

[gbroccolo]

@gdey @ARolek I changed the status from draft to ready for review.

[gdey]

LGTM