+2.55 Ignore commands that begin with a # are comments.
+2.56 Added = to list of META characters (to permit shell commands)
+2.57 Changed lookarch and getobj to fix bugs.
+2.58 Fixed interrupt handling.
+2.59 Changed references to sprintf to accomodate new function definition
+ Also fixed extern declarations.
+2.60 Limited the number of open directories.
+2.61 Added code to handle archives with ascii headers.