[CCUT] extend support for more types

Currently these units return errors, need to add support.

Units not defined:
```
%
percentage / 100
day/m^(1/3)
YYYY-MM-DD
C-day
1/m
```

Unknown types (for symbol):
```
date
decimal
deg C (degC works)
kg kg-1 (kg/kg works)
degrees
percent
ppm
```

Originated in [this issue](https://github.com/usc-isi-i2/mint-data-catalog/issues/16).