Make consistent the use of 'pseudoinstruction'

v0.11.1

Consistent use of the term 'pseudoinstruction'

Rewrite Sections on Pseudo Operations, Relocation, and Relaxation

v0.11

Rewrite Pseudo Operations

Comment on the details of the li pseudo instruction

Added a discussion of the need to add 1 to some of the operands when using pseudo instructions like li.

Add CSRxx instructions

Add CSRRW, CSRRS, CSRRC, et. al to the encoding table on the last page.

Correct code in lw example.

Change the narrative in the lw example on page 50, line 1529.

Corrected lui example

Corrected the lui example:

lui x23,0x12345 will result in setting register x23 to the value 0x12345000

Add pcrel links

Improve consistency of the reference card by including links to the definitions of the pcrel_13 and pcrel_21 fields.

Add instruction templates to encoding table

The instruction templates now appear in the Instruction Set Encoding table as well as the Reference Card.

Clarify inifities & special exponents

Change mantissa to significand in:
When the exponent is all ones, the significand is all zeros, and
the sign is zero, the number represents positive infinity.
Add a note that the largest and smallest possible exponent values are reserved.

Correct typo in section 2.2.5.2 Signed Overflow

Changed the word 'unsigned' to 'signed' where needed.