Added tests for common methods in executors.
Fixed when putValueIntoTargetObject assigns a null value to a target
object member field.
Added support for PMD/CPD plugin
Added initial configuration for PMD analisys.
Promoted version to 0.2.
Added PMD rules configuration main file.
linkXRef to false.
Upgraded to XML version 1.1 and added encoding UTF-8.
Exclude generated sources from PMD analisys.
Fixed error on PMD configuration root exclusion.
Suppressed unnecessary rule sets.
Solved severe design error.
Fixed severe design error.
Added MatchingException to be thrown when there are issues evaluating
expressions during rule matching.
Added MatchingException.
Refactored pom.xml
Fixed bug in ExpressionTermMatcher.
Fixed exception processing bug.