Log Message:
textproc/hs-text-builder-linear: Update to 0.1.2

0.1.2
* Fix unsound behaviour caused by inlining of runBuffer / runBufferBS and
  CSE (common subexpression elimination).
* Fix hexadecimal builder, looping on negative inputs.
* Fix decimal builder for non-standard bitness of the input.
* Add (#<|) and deprecate (|>#).
* Add newEmptyBuffer.
* Add prependChars and appendChars.
* Add justifyLeft, justifyRight and center.