Nesting payloads FTW
Elements that don't have a payload should be nil in .payloads
Tests for updated lucene index quoting
Forgot to implement drop_key_index
Support using Set as a way to express an OR condition in a property filter
Bump minor version
Add a method to edges to reverse their direction
Merge branch 'master' of git://github.com/pangloss/pacer into develop
Merge branch 'develop' of git://github.com/pangloss/pacer into develop
Upgrade Blueprints, Pipes, and Gremlin
add a 'remove' method for indexes. add a protected 'modify' method to dry up the code between the old 'put' and new 'remove' methods.
commiting the built jar
remove 'legal_modifications' method and replace it with a protected constant.
removing pacer standalone jar
simplify the code by removing the modify method.
load the blueprints parameter interface
create_key_index now takes an optional 'opts' hash argument to pass extra options (UNIQUE, etc) to the blueprints interface.
Merge branch 'develop' of git://github.com/pangloss/pacer into index_methods

Conflicts:
	lib/pacer/graph/pacer_graph.rb

* lib/pacer/core/graph/path_route.rb:
load the blueprints parameter interface.
create_key_index now takes an optional 'opts' hash argument to pass extra options (UNIQUE, etc) to the blueprints interface.