Updated ES installation script to 1.3.1
Added missing query wrapper in count. Closes #426
Merge branch 'master' of https://github.com/aparo/pyes into develop
Switched to 0.99.5 dev
Added new parameter "execution" to RangeFilter and removed boost paramter.
Added test for RangeFilter and changed ESRange to fit the new keys and values of RangeFilter of ES 1.x
Added missing parameter to NestedFilter and changed serialization of it.
Parameter taken from: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-nested-filter.html
Added TermsLookup class in utils and possiblity to add it to TermsFilter
Took the information from here and added them to the new classes.
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-terms-filter.html#_terms_lookup_mechanism
Merge pull request #445 from julianhille/feature/range_filter_corrections

Feature/range filter corrections
Merge pull request #447 from julianhille/feature/nested_filter_missing_join_parameter

Added missing parameter to NestedFilter and changed serialization of it.
Merge pull request #448 from julianhille/feature/added_missing_terms_lookup_filter

Added TermsLookup class in utils and possiblity to add it to TermsFilter
Added some more tests for filters
Added test for ExistsFilter and removed flake8 violations
Added test for TypeFilter
Merge pull request #449 from julianhille/feature/filter_tests

Feature/filter tests
Merged Master
Merge branch 'develop' of https://github.com/aparo/pyes into develop
Removed inexisting fields. Closes #442
Fixed missing imports in mappings.py
Merge branch 'develop' of https://github.com/aparo/pyes