v1.0.1: Bugfixes from master repo

Rebased from master repo (but did not solve our current issues on STM32L431):
dd2f09e Fix implementation of VFP instruction execution
8261126 Fix typo in "pop r4-r[4+nnn], r14" r14 mask
f71b058 Only update vrs sp if not popped from stack

v1.0.0

Merge pull request #1 from bang-olufsen/habi-init