User documentation, including a user guide and javadocs, is found in docs.
The installation information is within the user guide.
version 1.1.1 contains fixes for the following bugs:
ID: 3296301 cTakes - Lucene Dictionary Lookup limits results to 100
ID: 3169650 Cannot install from PEAR
ID: 3103083 FirstTokenPermutationImpl mutates/destroys permutations
ID: 3241214 cTAKES installation issue