encoder: Fix int ranges for which BININT1 and BININT2 are emitted #71
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BININT1 emits unsigned integer that fits into 1 byte. BININT2 emits unsigned integer that fits into 2 bytes.
So they cover [0, 0xff] and [0, 0xffff] ranges including edges. However we were emitting BININTX opcodes only for numbers being strictly inside those ranges - i.e. (0, 0xff) and (0, 0xffff) - without edges. As the result what could be emitted as "K\x00." was emitted as "J\x00\x00\x00\x00." and so on.
Fix it by emitting BININT1 for [0, 0xff] inclusive and BININT for [0, 0xffff] also inclusive.