Release version 2019.1.2

Change logs

1. Add decaf logo (0afe86b)
2. Fix class cast precedence (#3)
3. Fix a couple of bugs (#2, #5, #6, #8, #11 , 127b9a7)
4. When pretty printing types, add parentheses for FunType if necessary (eeedd66)

Separate framework source code:

• decaf-PA2.zip

Patches

• To upgrade from v2019.1.0 to v2019.1.2 (full framework): v2019.1.0_v2019.1.2.patch.zip

• To upgrade from decaf-PA1-A to decaf-PA2 (separated framework):
  decaf-PA2_decaf-PA1-A.patch.zip

For those who would like to use the compiler, simply download the prebuilt jars below.