Add files for bloom filter
Add header for parameters and tweakables
Add definition of bits in a bloom filter
Add generation function for bloom filter
Add function for checking for common elements
Add function for classical bloom filter check
Add bloom filter for AVL nodes
Restructure AVL node
Regenerate bloom filter
Add check for possible existence of element in tree
Add const attribute to real functions
Merge pull request #88 from neithernut/add-bloom_filter

Add bloom filter