temach

Add checks for SIPFFS_CACHE before any use of SPIFFS_CACHE_WR and SPIFFS_CACHE_STATS

2

I had to compile code with SPIFFS_CACHE 0 and there were a lot of checks for SPIFFS_CACHE_WR that did not first check if SPIFFS_CACHE was turned on.

Clarify overscroll-behaviour for iframe elements

1

### Description Clarify that using overscroll-property on iframe elements does not have an effect. ### Motivation It might seem that overscroll-property can solve scroll-chaining for iframes, but iframes with scroll...

Macro is outdated. Right now it says `#define M_VERSION "1.45lw"`