Log Message:
Updated sphinxsearch to 2.0.4.

Bug fixes:

- fixed #605, pack vs mysql compress
- fixed #783, #862, #917, #985, #990, #1032 documentation bugs
- fixed #885, bitwise AND/OR were not available via API
- fixed #984, crash on indexing data with MAGIC_CODE_ZONE symbol
- fixed #1004, RT index loses words from dictionary on segments merging
  with id64 enabled
- fixed #1035, daemon doesn't properly handle FDs in case of socket overflow
  FD_SETSIZE ( *nix, preopen_indexes=0, worker=threads )
- fixed #1038, quoted string for API select
- fixed #1046, head SPZ overflow, snippet generation at non fast with SPZ
- fixed #1048, distributed index can't sort \ filter because of missed
  attributes
- fixed #1050, expression ranker vs agents
- fixed #1051, added MVA64 support to UDFs
- fixed #1054, max_query_time not handled properly on searching at RT index
- fixed #1055, expansion_limit on searching at RT disk chunks
- fixed #1057, daemon crashes on generating snippet with 0 documents provided
- fixed #1060, load_files_scattered don't work
- fixed #1065, libsphinxclient vs distribute index (agents)
- fixed #1067, modifiers were not escaped in legacy query emulation
- fixed #1071, master - agent communication got slower for a large query
- fixed #1076, #1077, (redundant copying, and a possible mutex leak
  with uservars)
- fixed #1078, blended vs FIELD_END
- fixed #1084 crash \ index corruption on loading persist MVA
- fixed #1091, RT attach of plain index with string \ MVA attributes prior
  regular attributes
- fixed #1092, update got binloged with wrong TID
- fixed #1098, crash on creating large expression
- fixed #1099, cleaning up temporary files on fail of indexing
- fixed #1100, missing xmlpipe_attr_bigint config directive
- fixed #1101, now ignoring dashes within keywords when dash is not
  in charset_table
- fixed #1103, ZONE operator incorrectly works on more than one keywords
- in a simple zone
- fixed #1106, optimized WHERE id=value, WHERE id IN (values_list) clauses
  used in SELECT, UPDATE statements
- fixed #1112, Sphinx doesn't work out-of-the-box because the collision
  of binlog_path option
- fixed #1116, crash on FLUSH RTINDEX unknown-index-name
- fixed #1117, occasional RT headers corruption (leading to crashes
  and/or missing results)
- fixed #1119, missing expression ranker support in SphinxSE
- fixed #1120, negative total_found, docs and hits counter on huge indexes