Implementation of a better Dictionary (with Open addressing and linear probing).
- sizes are prime
- it resize dynamically
- added test case to test dictionary rehashing
improved Dictionary data struct
aligning table to dictionary improvements, refactored and moved to prelude  some hashing constants, WARNING! still not passing tests
Merge branch 'develop' into dict-improvements
Fixed bugs, fixed clearing of Table, memory initialization
Merge branch 'master' of https://github.com/orangeduck/libCello into dict-improvements

Conflicts:
	include/Cello/Dictionary.h
	include/Cello/Table.h
	src/Dictionary.c
	src/Table.c
	tests/core.c
	tests/data.c
Fixing after merging issues :P
Merge pull request #55 from mogui/dict-improvements

Improving of Dictionary implementation