Merge pull request #2 from hillelweintraub/bugfix

Update function_parser.f90

Author: jacobwilliams

src/function_parser.f90

@@ -366,7 +366,7 @@ subroutine parse_function (me, funcstr, var, case_sensitive)
     call me%destroy()
 
     !if is case insensitive, then convert both to lowercase:
-    if (case_sensitive) then
+    if (is_case_sensitive) then
         func    = funcstr   ! local copy of function string
         tmp_var = var
     else