write pack

test
packdb types of integer / string Add
array.hpp Add
types.hpp Add
impl integer / string
hash.hpp Add
array : serialize impl
entries.hpp Add
vector of eid list.
README.md
types_map
eids
linux compilable
implementing array
serialize / desirialize
array: append(), operator [] ()
Fix README.md
Merge pull request #3 from myun2ext/develop

Merge Develop -> Master