- current_line -> new class RealLineNumber and current_line_num
start to fix boundaries with new rule that 0 and 1 are the same line; next up: fix the test suite
- new RealLineNumbers class to hold all of our line incrementing logic
- updates to new format
- note bug with command completion
- don't accept trailing input on commands that don't use arguments yet
fix boundary condition
add a sanity checker for our line number
slices work
fix test to use real line numbers and simple fix to make slicing work
fix README
Merge pull request #2 from DerekMarshall/real_line_numbers

Real line numbers