Add primary key fetching function
reformat function
Add unit test for testPrimaryKeyExtract
ST_Accum now return a GeometryCollection instance
Add triangle function
remove unused code
Fix pom
Add unit test for ST_UNION
Add unit test for ST_ACCUM
fix javadoc
Fix javadoc + header
Merge pull request #74 from nicolas-f/getprimarykey

Add getIntegerPrimaryKey function

This method fetches connection metadata in order to get the integer primary key of a column
Add unit test for ST_UNION
Merge pull request #76 from nicolas-f/st_accum

ST_Accum now returns a GeometryCollection instance
Add getFieldName from table and field id
Add  ST_BoundingCircle and ST_Densify
Add st_expand function
with uri, it is always the same separator
Merge pull request #77 from nicolas-f/getfieldname

Add getFieldName from table and field id
Remove TableLocation from method signature
Add ST_MakeLine

TODO?: Add the spatiatial aggregate form available in PostGIS? See
    http://postgis.org/docs/ST_MakeLine.html