Override Client#dup to generate new faraday client
test for App#dup
notes on #in_parallel
lazy is working as intended
improve tests for Collection/Enum
improve tests for Search/Enum
update readme with parallel notes
documentation for lazy
URL-escape path segments

Closes #69
KV.new has default #value instead of nil

Closes #72
KeyValue#update and #update!

Closes #73
docs for #update
Collection#build is a KeyValue factory

Closes #74
docs for Collection#build
Merge branches 'mattly/69-urlescape-path-segments', 'mattly/72-kv-value-default', 'mattly/73-kv-update' and 'mattly/74-kv-factory'
Merge branch 'mattly/75-parallel-notes'

Conflicts:
	test/orchestrate/client_test.rb