fixed error in collect_vectors - vectors previously gathered for other rings were removed based on the direction of the last vector of currently analysed ring
added copyrights
added small optimization in range_collect_vectors - erase() replaced by copy from back and pop_back()
[doc] GitHub repository info added to the Introduction
added missing typename keyword
[index] varray: templated rvref workaround replaced with the fixed Boost.Move macro
[doc] spatial index iterative queries description improved
[geometry] Fixed results for distance of integer point types point-segment
or point-linestring