Add *delete() function prototypes to header files.
Fixed minor typo in error message.
Merge branch 'master' into delete
Implement octo_carry_delete() and unit tests.
Delete interrogative monologue in carry.c. Implement octo_cll_delete().
Compiles but no test yet...
Fix edge case where next != NULL but prev == NULL, implement tests for
octo_cll_delete.
Fix typo in comment in cll.c
Change the way loa's work a bit to facilitate easier deletion. Implement
loa_delete and tests.