**1.0.45.1**
updated Str and Buf classes for more string functions like concat, substr, split, etc.

**1.0.45.2**
updated Str class to parseFloat, parseDouble and parseLong.

**1.0.45.3**
Added isFloatValid and isDoubleValid to validate float and double value.

**1.0.45.4**
updated App to set flag to work with easyioFG for recoveryMode

**1.0.45.5**
fix str API to support longer properties.

**1.0.45.7**
update str API buffer size to avoid overflow

**1.0.45.8**
Fix FW null / nan handler. 

**1.0.45.9**
Merge FT sys kit
