aho-corasick

Changes:

• Add Maven Central repository to build file
• Update JUnit to 4.13.1
• Update Jacoco to 0.8.6 (introduces some JDK 15 support)
• Update Sonatype plugin to 1.6.8
• Update Maven compiler plugin to 3.8.1
• Update Maven Javadoc plugin to 3.2.0
• Update Maven source plugin to 3.0.1
• Remove junit-dep (was rolled into junit)
• Add Apache 2.0 License file

Changes:

• Fix unicode character issues
• Migrate to Java 8
• Fix IDE warnings
• Update version number to 0.6.1

Changes include:

• When a PayloadTrie has no match, a call to firstMatch would trigger a NullPointerException. This change has firstMatch return null rather than throwing an uncaught exception.

• Increased version number to 0.6.0 within pom.xml and the README file.

• Allow Payload with Keyword (issue #49). Tries are now genericized, allowing a payload to be associated. The old contract of Emits and Tries is respected. Thanks to @danbeck for the PR request, which includes extensive changes to the code base and documentation.

• Allow to ack emits (issue #53 / #55); implementing the interface StatefulEmitHandler (or AbstractStatefulDefaultHandler) now opens up the methods isOnlyWholeWords , isOnlyWholeWordsWhiteSpaceSeparated and isAllowOverlaps on using an emit handler. Thanks to @Crystark for the PR and @DaveJarvis for the discussion.