Version 2.1.7-release, 30 mar 2014

fixed #1917, field limit propagation outside of group
fixed #1915, exact form passes to index skipping stopwords filter
fixed #1905, multiple lemmas at the end of a field
fixed #1903, indextool check mode for hitless indexes and indexes with large amount of documents
fixed #1902, crash on JSON field in the IN() function
fixed #1884, crash at SNIPPET() with local indexes at distributed index
fixed #1802, loading large keywords dictionary
fixed #1786, indextool fails to handle indexes with AOT morphology
fixed crash of daemon on logging extra large message
fixed expression engine: division by zero, log and sqrt() functions of non-positive arguments
fixed LCS and min_best_span_pos computation
fixed unnecessary escaping in JSON result set
fixed Quick Tour documentation chapter