Fixed typo in comment
Added optional parameters to 'chunkLines' and 'chunkFasta' methods
Minor changes
Deprecated method 'createTempDir'
Added methods 'tempDir()' and 'tempFile()'
Added CLI param '-lib' and default library extension path
Upgrade to Groovy 2.1.6, Slf4j 1.7.5, Logback 1.0.13
Updated changelog
Downgrading log message
The 'bin' directory in the script folder is added to the task PATH environment by default
Upgraded version number