co⚡e: Sparkplug™ MQTT edge

v1.5.0.3
Updated FB_ExponentialBackOffTimer to accomodate Ticket #160

v1.5.0.2
Fixed missing FB_PayloadDataSet,
Deleted MqttErrorToString()

v1.5.0.0 [#158] Migrated Stack to SP18 Development Environment and SP18 Compiler

I opened the project in SP18 and all the objects went orange.

#159 Renamed FB_SparkplugBSimple into FB_SparkplugBxCoderHandler
Fixed references and declarations
Removed FB_PayloadSimpleEncoder
Removed FB_PayloadSimpleDecoder

[#151] v1.4.3.3 Fixed Compiler warnings related to {attribute no-assign}

[133] v1.4.3.2 Added a method for an FB_Metric to initialize itself from a payload
Fixed bugs in FB_Metric.UpdateThisMetricFromPayload, FB_Payload*.GetColumnNext/GetkeyNext
Deleted obsolete function updatemetricfrompayload

[#133] v1.4.3.0 Templates branch now compiles but not yet tested
renamed some methods of IMetric
FB_Metric can now add itself to a Payload
FB_Template can now add itself to a Payload's PayloadMetric

[#154] V1.4.2.58 FB_Payload, Pool Management: Used FB_PayloadColumns are not reused

There were two pools for columns. reduced this to one and updated all references to it. Problem solved.

Also put the FB_Payload encode/decode methods into folders

v1.4.2.57
Refactored / STWeeped various functions.
STWeeped Global Constants, Variables and ProtoBufId
Moved some interfaces to interfaces folder
Excluded FB_MetricFileTransfer until ticket will be picked up.

v1.4.2.55
Various bugfixes in FB_WStringBuilder

v1.4.2.53
Edge and Devce now support Alias xCMD, see ticket [#104]
Tested with Ignition
Fixed warnings for implicit typecasting

Stack v1.4.2.50 bumped version number

Stack 1.4.2.20

Expanded Alias publishing mechanism: Aliases are announced during xBIRTH
and refered to while sending xDATA. Aliases mechanism is enabled per default.

Todo Edge:
Nodecommand should accept also aliases

Todo Host:
Alias from birth
Alias xDATA
Alias xCMD

v1.4.2.35
Moved IMessageSource Interface to Edge Library

v1.4.2.33;
Added Hidden Property Alias to FB_Metric,
Added Alias Property getter and setter

[#112] Read Only Metrics
FB_Metric now has a member Access, which can be ReadOnly or ReadWrite (default)

v1.4.2.31 Enables Metric.Property publishing by Edges and Devices

v1.4.2.30

Revised FB_WStringBuilder to support large buffers, i.e. >= 255 Unicode charcters.
see also ticket [#144]

Fixed function ReturnFileName
upped library version to v1.4.2.28

Refactored CmpStackLog component
Updated library version

[#99] Separation of the library into multiple libraries - host

Huge amount of changes
added reference to coList: LinkedList
fixed namesapces accordingly
renamed to: co⚡e stack
stweeped the entire codebase :-|

CmpStackLog as per ticket [r99]

v1.4.2.25 -> Commencing Split of library into three libraries
See ticket [#99]