Changes compared to version 2.6

o  Fixed MAT input for non-square matrices
o  Fixed memory leak in assignment error handling
o  Fixed segmentation violation in argument evaluation
o  Fixed warnings
o  Fixed recursive function without arguments
o  Fixed checking for supported terminal
o  OPTION BASE is now cleared when global variables are cleared
o  Fixed CR handling of DISPLAY
o  Fixed LOAD documentation
o  Fixed XREF segmentation violation
o  Output arrays in XREF
o  Fixed INPUT stopped scanning at NUL character
o  Changed WIDTH default to 0
o  Fixed input$() not accepting floating point arguments
o  Improved description of GET
o  Fixed array matrix check at MAT INPUT
