Add array file
Basic storage vectors operations and array construction
Unidimensional aref and aset
Move vector-push-extend to arrays.lisp
Rename arrays.lisp to array.lisp
Test file for array.lisp
Fix typo
Remove aresize
Remove AFIND
Compare strings with string= rather than equal
Use STRING instead of the internal function CHAR-TO-STRING
Fix bug in read-symbol
concatenate-two
Add make-string
Change internal format of strings
array-element-type special case for strings
Special case in make-array for strings
Remove char-to-string
Move string-length to non-primitive
Move concat and char