Removed pandect as a dependency, simple project should not have dependencies (if not strictly necessary).

Only reason for using pandect was it's sha-1 implementasjon. Providing custom implementation inspired by http://www.sha1-online.com/sha1-java/ which only relies on core java libs.
Merge pull request #2 from stoyle/master

Removed pandect as a dependency, provided own Java based sha-1 implementation