elastic v0.7.4

NEW FEATURES

• package gains new set of functions for working with search templates:
  Search_template(), Search_template_register(), Search_template_get(),
  Search_template_delete(), and Search_template_render() (#101)

MINOR IMPROVEMENTS

• Improved documentation for docs_delete, docs_get and docs_create
  to list correctly that numeric and character values are accepted for
  the id parameter - before stated that numeric values allowed only (#144)
  thanks @dominoFire
• Added tests for illegal characters in index names.

BUG FIXES

• Fixed bug introduced into Search and related functions where
  wildcards in indeces didn't work. Turned out we url escaped twice
  unintentionally. Fixed now, and more tests added for wildcards.
  (#143) thanks @martijnvanbeers