v0.3.1

fixed #101

v0.2.0

• reimplemented in base R removing several dependencies
• fixed #1, #81, #82, #83, #84, #87, #88, #98

v0.1.0

• added preprocessing functions add_session(), extract_host(), extract_domain(), extract_path(), add_next_visit(), add_previous_visit(), add_title(), add_referral()
• changed example data to something more realistic
• added unit tests (#65)
• added filtering, summarizing, and aggregating functions