Replace naive-logging with slf4j

Merge pull request #54 from rec-framework/logging

using slf4j instead of naive-logger

v0.2.2 - release with rec-cloud enhancement

Merge pull request #50 from rec-framework/release/v0.2.2

update version to v0.2.2

Modularization

• enable Java jar module support
• enable CommonJS module support

v2 prototype release

• New API for data processing
• New processing model
• Lazy by default
• Memory/GC reduced

issue fix and minor enhancement

• Fix loader issue on Windows
• Add Record#toString method

performace enhancement

• Performance enhancement by adding indices

preview release to include js feature

• JS Scripting support
• Remove Kotlin dependency in-progress

v0.1.1-preview0

0.1.1 preview release:

• add initialiser
• add kotlin script support