Log Message:
(math/R-RPostgreSQL) Updated 0.6.2 to 0.7

2021-07-26  Tomoaki NISHIYAMA  <tomoakin@staff.kanazawa-u.ac.jp>
	* Change LICENCE to GPL-3
	* import new config.guess and config.sub
	* Drop an unused variable RS_PostgreSQL_closeManager_t
	* Use seq_along() instead of seq(along=)
	* -Wno-stringop-truncation for libpq compilation on windows
	* Change Description for new version and license.
	* fix type as pointed out by PR #109
	* http to https transition for URLs