v6.0.0 2018-07-03
    - TDQ-14001 improve pattern regex to valid asian languages
    - TDQ-14001 check all Locales for Date discovery
    - TDQ-15225 remove [wORD] pattern and simplify patterns
    - TDQ-14987 fix manifest following the date improvement
    - TDQ-14987 improve date discovery
    - TDQ-15013 remove deprecated methods

v5.0.2 2018-04-04
	(no change in this version)

v5.0.1 2018-03-28
	- TDQ-14893 add LFU cache for technical type discovery
	- TDQ-14894 add Date Pattern filter

v5.0.0 2018-02-12
	(no change in this version)

V4.0.1 2017-12-08
	- TDQ-14481 multi tenant index
	- TDQ-14484 broadcast dictionary to cluster
	- TDQ-14107 technical type discovery
	- TDQ-14421 validate datetime with strict resolver
	- TDQ-14367 Support multi-tenant lucene index for on-premise apps

V1.7.1 2017-09-11
	(no change in this version)

V1.7.0 2017-08-24
	- TDQ-13389 CardinalityStatistics can now take an Object instead of a String
	- TDQ-13936 Recognize dates when a String with eras
	- TDQ-13935 sync 'DateRegexesGrouped.txt' in 'sampling' and 'statistics'
	- TDQ-13103 update pattern to support percentages

V1.6.3 2017-06-09
	- TDQ-13851 support Date pattern "yyyy-MM-dd G"
	- TDQ-13347 the value "5 TOTO 1999" must not be considered as a valid date
	- TDQ-13907 fix the week based date pattern

V1.6.2 2017-05-09
	- TDQ-13539 add support for a new date pattern yyyy/M/d
	- TDQ-13369 use more strict date patterns which do not allow padding zeroes for single M and/or d

V1.6.1 2017-05-02
	(no change in this version)

V1.6.0 2017-04-07
    - TDQ-13389: add the class AbstractCardinalityStatistics

V1.5.6 2016-12-09
	(no change in this version)

V1.5.5 2016-12-02
	(no change in this version)

V1.5.4 2016-10-20
	(no change in this version)

V1.5.3 2016-09-28
	(no change in this version)

V1.5.2 2016-09-16
	- TDQ-12269 code quality improvements

V1.5.1 2016-06-27
	- TDQ-12047 optimize category suggestion by prioritizing with ordinal information
	- TDQ-11678 Improve analysis performance:
	     * improve SemanticQualityAnalyzer performance by skipping validity calculation on categories of OPEN_INDEX type
	     * remove NULL from the LAST_NAME dictionary
	     * improve performance by using a LRU cache for category recognition results
	- TDQ-12016 TDQ-12122 fix numeric column masking issue
	- TDQ-11557 add more date time patterns
	- TDQ-12016 be able to mask dates outside the top 15 date patterns
	- TDQ-11557 support the default output format of java.util.Date
	- TDQ-11557 fix datetime regex generation issue with slashes
	- TDQ-11817 add space in bigdecimal notation

V1.5.0 2016-05-10
	- rename artifact ID to dataquality-statistics

V1.4.4 2016-04-27 (for Studio 6.2.0)
	- TDQ-11763 support numbers with non-breaking spaces
	- TDQ-11833 support more date patterns

V1.4.3 2016-03-25
	- TDP-228 fix incorrect data type guess
	- TDQ-11316 add a category ANSWER for columns of mixed yes/no values

V1.4.2 2016-01-26
	- TDQ-11557 add more date and time patterns and different combinations
	- TDQ-11548 improve regex of decimal value detection

V1.4.1 2015-12-30
	- move to data-quality repository, change parent pom
	- performance improvement on GetAllPatterns by using grouped regexes
	- remove patterns with single y for year part
	- correct some regex generation rule to make it compatible with Java8 DateTimeFormatter API 

V1.4.0 2015-12-17
	- refactor date time pattern analyzers
	- use generated pattern format list with regexes instead of the previous one
	- add some additional common patterns

V1.3.4 2015-12-10
	- update to org.talend.dataquality.common 1.3.4

V1.3.3 2015-11-23
	- update dependencies following lucene4 upgrade in standardization library
	- support custom date pattern in DatePatternAnalyzer and DataTypeQualityAnalyzer
	- build the library as OSGI bundle

V1.3.2 2015-10-29
	- TDQ-10903 optimize dictionaries
	- adjust OPEN/CLOSE type for some indexes

V1.3.1 2015-10-22 (for Studio 6.1.0)
	- TDQ-10413 compute list of invalid values according to semantic type
	- TDQ-10981 concurrent analyzer
	- TDQ-10988 latin1 supplement support in pattern statistics

=== 2015-10-14 ===
1. Separate the pattern frequency class. -mzhao
2. Create pattern replacement for latin-1 suppliment characters. -mzhao

=== 2015-10-13 ===
1. Add junit test for histogram with randomly generated value.

=== 2015-10-12 ===
1. Add count below min , count above max and isComplete method for histogram analyzer

=== 2015-09-11 ===
1. Add HistogramParameter and HistogramColumnParameter class for histogram analyzer. -mzhao
2. Adapt HistogramAnalyzer class and its junit test using the parameter class. -mzhao
3. Make "type[]" and "parameter" arguments as mandatory parameters in NumericalStatisticsAnalyzer constructor. -mzhao
4. All the mandatory parameters requires by analyzer must be set in constructor. -mzhao
5. Remove all the warnings in java classes.
