Removed refresh flag in flush command

Elasticsearch v0.90.4
See elasticsearch/elasticsearch@7cc48c8e8723d3b31fbcb371070bc2a8d87b1f7e
Removed refresh flag in optimize command

Elasticsearch v0.90.4
See elasticsearch/elasticsearch@df3f681ef0a8a20f1ca748bf1bd90590c48ab6a1
Renamed param WaitForOperations to Force in Refresh command

Elasticsearch v0.90.4
See elasticsearch/elasticsearch@8b295b53d0ec023e3a71448bf33050f60c00f123
Added completion and completionFields params for IndicesStats command

Elasticsearch v0.90.4
See elasticsearch/elasticsearch@cdddbb758502793ebcecf0e4311de574a74293ea
Added support for clear scroll command

Elasticsearch v0.90.4
See elasticsearch/elasticsearch@4864d152d2a88d2388882ba7dfbfa4707be07c2c
Added support for get templates command

Elasticsearch v0.90.4
elasticsearch/elasticsearch@45c0d1de0446dd348bc6501c63dc34652a5c9401
Added support for GetFieldMapping

Elasticsearch v0.90.6
See elasticsearch/elasticsearch@8819f91d4761b62fced5aea376a7cbd294dfa80d
Added support for highlightQuery and highlighterNoMatchSize params in search

Elasticsearch v0.90.6

See elasticsearch/elasticsearch@6b000d8c6d7f0162b6c3d9771785f2bcba508fbf and elasticsearch/elasticsearch@14a709f563a264c4371392e31c7bee9d26758056
Added support for segments stats

Elasticsearch v0.90.7
See elasticsearch/elasticsearch@c95c7096e50d329d4591913bf1b3e5c58d3a6065
Added support for cluster stats

Elasticsearch v0.90.8
See elasticsearch/elasticsearch@2b6214cff72423fc5c948c7b4c39027c93494400
Remove trailing whitespace
Merge pull request #38 from FabienPennequin/api_update

Api update