Expand literals by default

[tpluscode]

fixes #3 fixes #9

[codecov-io]

Current coverage is 89.09% (diff: 88.00%)

Merging #8 into master will decrease coverage by 0.28%

@@             master         #8   diff @@
==========================================
  Files            32         33     +1   
  Lines           386        431    +45   
  Methods          56         78    +22   
  Messages          0          0          
  Branches         59         65     +6   
==========================================
+ Hits            345        384    +39   
- Misses           29         31     +2   
- Partials         12         16     +4   

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