Update the version to be 1.7.4.

Update the version to be 1.7.3

Update MCPClient.java

Update the version to be 1.7.1.

Update sonatype repository.

Update SQLiteGeneratorTest.java

Update the version to be 1.6.8

Merge branch 'master' of https://github.com/tinystruct/tinystruct

Update the version to be 1.6.6

Update the version to be 1.6.5.