Scala 2.13.0-M4 support

[xerial]

Required in wvlet/airframe#175.

It's not urgent because we are also waiting ScalaTest, ScalaCheck support.

[sjrd]

Version 0.1.4 has been available for 2.13.0-M4 for two weeks ;)

[xerial]

@sjrd

[error] coursier.ResolutionException: Encountered 3 error(s) in dependency resolution:
[error]     org.scala-js:scalajs-java-logging_sjs0.6_2.13.0-M4:0.1.3:
[error]         not found:
[error]             /Users/leo/.ivy2/local/org.scala-js/scalajs-java-logging_sjs0.6_2.13.0-M4/0.1.3/ivys/ivy.xml
[error]             https://repo1.maven.org/maven2/org/scala-js/scalajs-java-logging_sjs0.6_2.13.0-M4/0.1.3/scalajs-java-logging_sjs0.6_2.13.0-M4-0.1.3.pom
[error]             https://oss.sonatype.org/content/repositories/releases/org/scala-js/scalajs-java-logging_sjs0.6_2.13.0-M4/0.1.3/scalajs-java-logging_sjs0.6_2.13.0-M4-0.1.3.pom
[error]             https://oss.sonatype.org/content/repositories/snapshots/org/scala-js/scalajs-java-logging_sjs0.6_2.13.0-M4/0.1.3/scalajs-java-logging_sjs0.6_2.13.0-M4-0.1.3.pom```

Yeah. I saw this error first, but after using 0.1.4 it can download the jar file. Thanks!

[xerial]

I should have used 0.1.4 version.