Merge pull request #38 from ipsilon/fix-dataload-price

Fix DATALOAD/DATALOADN prices

spec/eof.md

@@ -239,12 +239,12 @@ Code executing within an EOF environment will behave differently than legacy cod
     - instruction exceptionally aborts if after the appending, data section size would overflow the maximum data section size or underflow (i.e. be less than data section size declared in the header)
     - instruction exceptionally aborts if invoked not in "initcode-mode"
 - `DATALOAD (0xe8)` instruction
-    - deduct 3 gas
+    - deduct 4 gas
     - pop one value, `offset`, from the stack
     - read `[offset, offset+32]` from the data section of the active container and push the value to the stack
     - pad with 0s if reading out of data bounds
 - `DATALOADN (0xe9)` instruction
-    - deduct 2 gas
+    - deduct 3 gas
     - like `DATALOAD`, but takes the offset as a 16-bit immediate value and not from the stack
 - `DATASIZE (0xea)` instruction
     - deduct 2 gas