Revert "changed init to restart so that callbacks can be used more than once"

This reverts commit 156b9708112e24cde38ad8006c0d22e344d08609.
fixed unique combo javadocs
Merge pull request #59 from mechinn/replaceInitWithRestart

Replace init with restart
Merge pull request #61 from mechinn/ManyQueryId

return the id of the loader from getAsync in ManyQuery
changed sample project package name to avoid conflict with library
fixes #57
fixed some formating
added typeserializer for bitmaps
added test for bitmap serializer, fixes #63
fixed some linting issues
Merge commit '63cb9c8423173280fdbaefd052db3ad92a2f37af' into uniqueCombinations
consolidated unique api
Merge branch 'uniqueCombinations'