- made .v and .e behave similar to their groovy brothers
 - more aggressive caching in isType
 - added Makefile and dependent modules for linting code
 - fixed misc errors discovered by linting
 - added use strict
 - added sharedExports object such that the primary export as well as the GraphWrapper share common constants
Merge pull request #40 from inolen/working

more aggressive caching in isType