fixed problem with punctuation in source/target phrase and double ^ symbol.
if any of the words in the source/target phrases are not found in the word2ids dictionary, it'll
skip filtering.
changed s-expression parser to handle more cases.
added handling of multiple ids used for a literal e.g: (foreign-press-nn e15 x2 :1:1-5:[1014,1015])
The Chronic Poverty Report 2008-09: Escaping Poverty Traps was launched at the Foreign Press...
fixed s-expression dump that separated ':1:1-52:' from the '[ID]' part (with new library).
fixed conversion to utf-8 with new s-expression library.
Merge branches 'dev' and 'master' into dev