v0.1.6, update to documentation.

Small update to 0.1.6, update to documentation.

Point out that IO# must be 2 characters in len in reactions.
No functional changes.

V0.1.5

New command added: [WT nnn]
Adds a delay in the Reaction command list.

Moved Reaction command list execution into a unique thread per configured Reaction. This means that if multiple command lists(Reactions) were created for the same event, they will execute in parallel not sequentially.

See help tab for details on use.

v0.1.4

Update to improve the gcode reaction hook implementation.
also hopefully correct issue with Plugin_ requires syntax.

V0.1.3

Added hard requirement for SIO Control plugIn

V0.1.2

Initial release for SIO Reactions that will be targeted in the PlugIns Directory.
All base features working. Documentation is ok but will get a wiki page.

V0.1.0

First release, ready for use with v1+ of SIO Control PlugIn