added filter and filterNot
added filter and filterNot
Test unit for filter and filterNot in columns and tables
modified version to 0.3.0-SNAPSHOT
comment correcture
update
modified version to 0.3.1-SNAPSHOT
comment update
comment update
added filter and filterNot
added example of filter and filterNot for TemplateTable
added comment
modified filter and notFilter to prevent use of asInstanceOf
update for modified TemplateTable, specific: filter and filterNot
added count, exists and find
added count, exists and find and modified filter method too
added some new methods and modified others
added some new methods and modified others
added method comments
modified method comment