mimic SlowBuffer and Buffer#parent just enough to pass node's tests
fix broken max-length check
update bounds checks and throw RangeErrors instead of TypeErrors for failures
copy should return length
base64 changes to improve node compatibility
add generic functions for (u)int ops - copied from node commit 83d7d9e
make generic (u)int ops work when TYPED_ARRAY_SUPPORT is false
strip high bit when ascii slicing
update from-string tests and rename from utf16
do not encode partial code units to utf16
add benchmark for encoding to utf8
do not encode partial or invalid code points to utf8