libgnt/libgnt

Merged in release-2.x.y (pull request #67)
release-2.x.y
2019-05-13, Gary Kramlich
bacf9b9fff30
Merged in release-2.x.y (pull request #67)

Replace ChangeLog.API by 'Since' API pages

Approved-by: Gary Kramlich
BOOLEAN:VOID
BOOLEAN:STRING
VOID:INT,INT,INT,INT
VOID:INT,INT
VOID:POINTER,POINTER
BOOLEAN:INT,INT
BOOLEAN:INT,INT,INT
BOOLEAN:POINTER,POINTER,POINTER
BOOLEAN:INT,INT,INT,POINTER
VOID:STRING,STRING
VOID:POINTER,BOOLEAN