Implemented ticket #689 "Secondary axes improvement"
Replaced the error code for the matrix dimension mismatch of the hcat and vcat function with the proper generic error message, Related to ticket #646
Implemented ticket #668 "'declare' should be includable"
Implemented ticket #690 "Disable automatic UI element focusing"
Fixed issue #688 "Bug within plot options"
Fixed issue #686 "Issues with 'getkeyval()'"
Fixed issue #685 "Bug in matrix mode"
updated the changes log for the hcat and vcat functions as described in ticket #646
added the functions hcat and vcat for matrix concatenation as described in ticket #646.
Fixed issue #680 "Inline procedures need table references"