add new stage to pipeline
refactor class name to improve readability
refactor file
create Test Case for DataDetector
add new functionality
add lexicographer file name with brief information
update load lexicographer file reader
updated with selection of files
update file with lexicographer file selection
add message for assertion and preconditions
refactor package name
refactor package name
refactor file
refactor package name
add Test Case for DataCleaner
update file w.r.t test case
refactor package name
add test case for DataDetector
add new functionality
update Test Case for DataCleaner