Added missing cfg argument
Merge pull request #212 from TheNeikos/fix-ht_destroy

Added missing cfg argument
Added a NULL check
Merge pull request #214 from TheNeikos/fix-avl_find

Added a NULL check to avl_find
Added a missing bitcount operator
Added explanation to the bit shift
Fix: Moved avl_dbg() macro from {avl,common}.c to common.h
Fix: Run avl/{avl,common}.c through astyle
Fix: avl include strings should be "avl/*.h"
Fix: include string should be "ht/*.h"
Fix: include string should be "ll/*.h"
Merge pull request #220 from matthiasbeyer/fix-include_strings

Fix: Include strings unified
Merge pull request #219 from matthiasbeyer/remove-duplicated_avl_debug_macro

Remove duplicated debug macro in {avl,common}.c
Merge pull request #218 from matthiasbeyer/fix-avl_style

Fix style in avl/{avl,common}.c
Merge pull request #217 from TheNeikos/fix-ht_insert

Added a missing bitcount operator
Added avl_insert_many test